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CSS3实现Loading效果

时间：2016-05-07 13:07:45      阅读：1168      评论：0      收藏：0      [点我收藏+]

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　　使用Loding的gif图，每一帧图片的外层会有白色描边。所以如果必须使用gif图的话，请将背景色设置为白色。

　　你也尝试用以下方法，使用css来实现loading的效果

　　1.技术分享 适用于pc端。在移动端上会缩放的很小。

　　html：

<div class="weui_loading_toast" style="display: block;" id="loading">
        <div class="weui_mask_transparent"></div>
        <div class="weui_toast">
            <div class="weui_loading">
                <div class="weui_loading_leaf weui_loading_leaf_0"></div>
                <div class="weui_loading_leaf weui_loading_leaf_1"></div>
                <div class="weui_loading_leaf weui_loading_leaf_2"></div>
                <div class="weui_loading_leaf weui_loading_leaf_3"></div>
                <div class="weui_loading_leaf weui_loading_leaf_4"></div>
                <div class="weui_loading_leaf weui_loading_leaf_5"></div>
                <div class="weui_loading_leaf weui_loading_leaf_6"></div>
                <div class="weui_loading_leaf weui_loading_leaf_7"></div>
                <div class="weui_loading_leaf weui_loading_leaf_8"></div>
                <div class="weui_loading_leaf weui_loading_leaf_9"></div>
                <div class="weui_loading_leaf weui_loading_leaf_10"></div>
                <div class="weui_loading_leaf weui_loading_leaf_11"></div>
            </div>
            <p class="weui_toast_content">评论加载中</p>
        </div>
    </div>

　　css:

.weui_mask_transparent {
  position: fixed;
  z-index: 1001;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}
.weui_loading_toast .weui_toast {
    width: 7.6rem;
    min-height: 7.6rem;
}

.weui_toast {
  position: fixed;
  z-index: 1003;  
  top: 180px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  background: rgba(40, 40, 40, 0.75);
  text-align: center;
  border-radius: 5px;
  color: #FFFFFF;
}

.weui_toast_content {
  margin: 15px 0;
}

.weui_loading_toast .weui_toast_content {
  margin-top: 64%;
  font-size: 14px;
}
.weui_loading {
  position: absolute;
  width: 0px;
  z-index: 2000000000;
  left: 50%;
  top: 38%;
}
.weui_loading_leaf {
  position: absolute;
  top: -1px;
  opacity: 0.25;
}
.weui_loading_leaf:before {
  content: " ";
  position: absolute;
  width: 8.14px;
  height: 2.08px;
  background: #d1d1d5;
  box-shadow: rgba(0, 0, 0, 0.0980392) 0px 0px 1px;
  border-radius: 1px;
  -webkit-transform-origin: left 50% 0px;
      -ms-transform-origin: left 50% 0px;
          transform-origin: left 50% 0px;
}
.weui_loading_leaf_0 {
  -webkit-animation: opacity-60-25-0-12 1.25s linear infinite;
          animation: opacity-60-25-0-12 1.25s linear infinite;
}
.weui_loading_leaf_0:before {
  -webkit-transform: rotate(0deg) translate(7.92px, 0px);
      -ms-transform: rotate(0deg) translate(7.92px, 0px);
          transform: rotate(0deg) translate(7.92px, 0px);
}
.weui_loading_leaf_1 {
  -webkit-animation: opacity-60-25-1-12 1.25s linear infinite;
          animation: opacity-60-25-1-12 1.25s linear infinite;
}
.weui_loading_leaf_1:before {
  -webkit-transform: rotate(30deg) translate(7.92px, 0px);
      -ms-transform: rotate(30deg) translate(7.92px, 0px);
          transform: rotate(30deg) translate(7.92px, 0px);
}
.weui_loading_leaf_2 {
  -webkit-animation: opacity-60-25-2-12 1.25s linear infinite;
          animation: opacity-60-25-2-12 1.25s linear infinite;
}
.weui_loading_leaf_2:before {
  -webkit-transform: rotate(60deg) translate(7.92px, 0px);
      -ms-transform: rotate(60deg) translate(7.92px, 0px);
          transform: rotate(60deg) translate(7.92px, 0px);
}
.weui_loading_leaf_3 {
  -webkit-animation: opacity-60-25-3-12 1.25s linear infinite;
          animation: opacity-60-25-3-12 1.25s linear infinite;
}
.weui_loading_leaf_3:before {
  -webkit-transform: rotate(90deg) translate(7.92px, 0px);
      -ms-transform: rotate(90deg) translate(7.92px, 0px);
          transform: rotate(90deg) translate(7.92px, 0px);
}
.weui_loading_leaf_4 {
  -webkit-animation: opacity-60-25-4-12 1.25s linear infinite;
          animation: opacity-60-25-4-12 1.25s linear infinite;
}
.weui_loading_leaf_4:before {
  -webkit-transform: rotate(120deg) translate(7.92px, 0px);
      -ms-transform: rotate(120deg) translate(7.92px, 0px);
          transform: rotate(120deg) translate(7.92px, 0px);
}
.weui_loading_leaf_5 {
  -webkit-animation: opacity-60-25-5-12 1.25s linear infinite;
          animation: opacity-60-25-5-12 1.25s linear infinite;
}
.weui_loading_leaf_5:before {
  -webkit-transform: rotate(150deg) translate(7.92px, 0px);
      -ms-transform: rotate(150deg) translate(7.92px, 0px);
          transform: rotate(150deg) translate(7.92px, 0px);
}
.weui_loading_leaf_6 {
  -webkit-animation: opacity-60-25-6-12 1.25s linear infinite;
          animation: opacity-60-25-6-12 1.25s linear infinite;
}
.weui_loading_leaf_6:before {
  -webkit-transform: rotate(180deg) translate(7.92px, 0px);
      -ms-transform: rotate(180deg) translate(7.92px, 0px);
          transform: rotate(180deg) translate(7.92px, 0px);
}
.weui_loading_leaf_7 {
  -webkit-animation: opacity-60-25-7-12 1.25s linear infinite;
          animation: opacity-60-25-7-12 1.25s linear infinite;
}
.weui_loading_leaf_7:before {
  -webkit-transform: rotate(210deg) translate(7.92px, 0px);
      -ms-transform: rotate(210deg) translate(7.92px, 0px);
          transform: rotate(210deg) translate(7.92px, 0px);
}
.weui_loading_leaf_8 {
  -webkit-animation: opacity-60-25-8-12 1.25s linear infinite;
          animation: opacity-60-25-8-12 1.25s linear infinite;
}
.weui_loading_leaf_8:before {
  -webkit-transform: rotate(240deg) translate(7.92px, 0px);
      -ms-transform: rotate(240deg) translate(7.92px, 0px);
          transform: rotate(240deg) translate(7.92px, 0px);
}
.weui_loading_leaf_9 {
  -webkit-animation: opacity-60-25-9-12 1.25s linear infinite;
          animation: opacity-60-25-9-12 1.25s linear infinite;
}
.weui_loading_leaf_9:before {
  -webkit-transform: rotate(270deg) translate(7.92px, 0px);
      -ms-transform: rotate(270deg) translate(7.92px, 0px);
          transform: rotate(270deg) translate(7.92px, 0px);
}
.weui_loading_leaf_10 {
  -webkit-animation: opacity-60-25-10-12 1.25s linear infinite;
          animation: opacity-60-25-10-12 1.25s linear infinite;
}
.weui_loading_leaf_10:before {
  -webkit-transform: rotate(300deg) translate(7.92px, 0px);
      -ms-transform: rotate(300deg) translate(7.92px, 0px);
          transform: rotate(300deg) translate(7.92px, 0px);
}
.weui_loading_leaf_11 {
  -webkit-animation: opacity-60-25-11-12 1.25s linear infinite;
          animation: opacity-60-25-11-12 1.25s linear infinite;
}
.weui_loading_leaf_11:before {
  -webkit-transform: rotate(330deg) translate(7.92px, 0px);
      -ms-transform: rotate(330deg) translate(7.92px, 0px);
          transform: rotate(330deg) translate(7.92px, 0px);
}

@-webkit-keyframes opacity-60-25-0-12 {
  0% {
    opacity: 0.25;
  }
  0.01% {
    opacity: 0.25;
  }
  0.02% {
    opacity: 1;
  }
  60.01% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.25;
  }
}
@-webkit-keyframes opacity-60-25-1-12 {
  0% {
    opacity: 0.25;
  }
  8.34333% {
    opacity: 0.25;
  }
  8.35333% {
    opacity: 1;
  }
  68.3433% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.25;
  }
}
@-webkit-keyframes opacity-60-25-2-12 {
  0% {
    opacity: 0.25;
  }
  16.6767% {
    opacity: 0.25;
  }
  16.6867% {
    opacity: 1;
  }
  76.6767% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.25;
  }
}
@-webkit-keyframes opacity-60-25-3-12 {
  0% {
    opacity: 0.25;
  }
  25.01% {
    opacity: 0.25;
  }
  25.02% {
    opacity: 1;
  }
  85.01% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.25;
  }
}
@-webkit-keyframes opacity-60-25-4-12 {
  0% {
    opacity: 0.25;
  }
  33.3433% {
    opacity: 0.25;
  }
  33.3533% {
    opacity: 1;
  }
  93.3433% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.25;
  }
}
@-webkit-keyframes opacity-60-25-5-12 {
  0% {
    opacity: 0.270958333333333;
  }
  41.6767% {
    opacity: 0.25;
  }
  41.6867% {
    opacity: 1;
  }
  1.67667% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.270958333333333;
  }
}
@-webkit-keyframes opacity-60-25-6-12 {
  0% {
    opacity: 0.375125;
  }
  50.01% {
    opacity: 0.25;
  }
  50.02% {
    opacity: 1;
  }
  10.01% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.375125;
  }
}
@-webkit-keyframes opacity-60-25-7-12 {
  0% {
    opacity: 0.479291666666667;
  }
  58.3433% {
    opacity: 0.25;
  }
  58.3533% {
    opacity: 1;
  }
  18.3433% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.479291666666667;
  }
}
@-webkit-keyframes opacity-60-25-8-12 {
  0% {
    opacity: 0.583458333333333;
  }
  66.6767% {
    opacity: 0.25;
  }
  66.6867% {
    opacity: 1;
  }
  26.6767% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.583458333333333;
  }
}
@-webkit-keyframes opacity-60-25-9-12 {
  0% {
    opacity: 0.687625;
  }
  75.01% {
    opacity: 0.25;
  }
  75.02% {
    opacity: 1;
  }
  35.01% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.687625;
  }
}
@-webkit-keyframes opacity-60-25-10-12 {
  0% {
    opacity: 0.791791666666667;
  }
  83.3433% {
    opacity: 0.25;
  }
  83.3533% {
    opacity: 1;
  }
  43.3433% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.791791666666667;
  }
}
@-webkit-keyframes opacity-60-25-11-12 {
  0% {
    opacity: 0.895958333333333;
  }
  91.6767% {
    opacity: 0.25;
  }
  91.6867% {
    opacity: 1;
  }
  51.6767% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.895958333333333;
  }
}

1.1   如果想用于移动端，需要引入淘宝的flexible.min.js，并用下面的css

　　css：

.weui_mask_transparent {
  position: fixed;
  z-index: 1001;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}
.weui_loading_toast .weui_toast {
    width: 2.5rem;
    min-height: 2.5rem;
}

.weui_toast {
  position: fixed;
  z-index: 1003;  
  top: 50%;
  left: 50%;
  -webkit-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  background: rgba(40, 40, 40, 0.75);
  text-align: center;
  border-radius: 5px;
  color: #FFFFFF;
}

.weui_toast_content {
  margin: 0.234375rem 0;
}

.weui_loading_toast .weui_toast_content {
  margin-top: 64%;
  font-size: 0.35rem;
}
.weui_loading {
  position: absolute;
  width: 0px;
  z-index: 2000000000;
  left: 50%;
  top: 38%;
}
.weui_loading_leaf {
  position: absolute;
  top: -0.015625rem;
  opacity: 0.25;
}
.weui_loading_leaf:before {
  content: " ";
  position: absolute;
  width: 0.2271875rem;
  height: 0.0625rem;
  background: #d1d1d5;
  box-shadow: rgba(0, 0, 0, 0.0980392) 0px 0px 0.015625rem;
  border-radius: -0.015625rem;
  -webkit-transform-origin: left 50% 0px;
      -ms-transform-origin: left 50% 0px;
          transform-origin: left 50% 0px;
}
.weui_loading_leaf_0 {
  -webkit-animation: opacity-60-25-0-12 1.25s linear infinite;
          animation: opacity-60-25-0-12 1.25s linear infinite;
}
.weui_loading_leaf_0:before {
  -webkit-transform: rotate(0deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(0deg) translate(0.12375rem, 0px);
          transform: rotate(0deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_1 {
  -webkit-animation: opacity-60-25-1-12 1.25s linear infinite;
          animation: opacity-60-25-1-12 1.25s linear infinite;
}
.weui_loading_leaf_1:before {
  -webkit-transform: rotate(30deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(30deg) translate(0.12375rem, 0px);
          transform: rotate(30deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_2 {
  -webkit-animation: opacity-60-25-2-12 1.25s linear infinite;
          animation: opacity-60-25-2-12 1.25s linear infinite;
}
.weui_loading_leaf_2:before {
  -webkit-transform: rotate(60deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(60deg) translate(0.12375rem, 0px);
          transform: rotate(60deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_3 {
  -webkit-animation: opacity-60-25-3-12 1.25s linear infinite;
          animation: opacity-60-25-3-12 1.25s linear infinite;
}
.weui_loading_leaf_3:before {
  -webkit-transform: rotate(90deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(90deg) translate(0.12375rem, 0px);
          transform: rotate(90deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_4 {
  -webkit-animation: opacity-60-25-4-12 1.25s linear infinite;
          animation: opacity-60-25-4-12 1.25s linear infinite;
}
.weui_loading_leaf_4:before {
  -webkit-transform: rotate(120deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(120deg) translate(0.12375rem, 0px);
          transform: rotate(120deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_5 {
  -webkit-animation: opacity-60-25-5-12 1.25s linear infinite;
          animation: opacity-60-25-5-12 1.25s linear infinite;
}
.weui_loading_leaf_5:before {
  -webkit-transform: rotate(150deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(150deg) translate(0.12375rem, 0px);
          transform: rotate(150deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_6 {
  -webkit-animation: opacity-60-25-6-12 1.25s linear infinite;
          animation: opacity-60-25-6-12 1.25s linear infinite;
}
.weui_loading_leaf_6:before {
  -webkit-transform: rotate(180deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(180deg) translate(0.12375rem, 0px);
          transform: rotate(180deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_7 {
  -webkit-animation: opacity-60-25-7-12 1.25s linear infinite;
          animation: opacity-60-25-7-12 1.25s linear infinite;
}
.weui_loading_leaf_7:before {
  -webkit-transform: rotate(210deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(210deg) translate(0.12375rem, 0px);
          transform: rotate(210deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_8 {
  -webkit-animation: opacity-60-25-8-12 1.25s linear infinite;
          animation: opacity-60-25-8-12 1.25s linear infinite;
}
.weui_loading_leaf_8:before {
  -webkit-transform: rotate(240deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(240deg) translate(0.12375rem, 0px);
          transform: rotate(240deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_9 {
  -webkit-animation: opacity-60-25-9-12 1.25s linear infinite;
          animation: opacity-60-25-9-12 1.25s linear infinite;
}
.weui_loading_leaf_9:before {
  -webkit-transform: rotate(270deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(270deg) translate(0.12375rem, 0px);
          transform: rotate(270deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_10 {
  -webkit-animation: opacity-60-25-10-12 1.25s linear infinite;
          animation: opacity-60-25-10-12 1.25s linear infinite;
}
.weui_loading_leaf_10:before {
  -webkit-transform: rotate(300deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(300deg) translate(0.12375rem, 0px);
          transform: rotate(300deg) translate(0.12375rem, 0px);
}
.weui_loading_leaf_11 {
  -webkit-animation: opacity-60-25-11-12 1.25s linear infinite;
          animation: opacity-60-25-11-12 1.25s linear infinite;
}
.weui_loading_leaf_11:before {
  -webkit-transform: rotate(330deg) translate(0.12375rem, 0px);
      -ms-transform: rotate(330deg) translate(0.12375rem, 0px);
          transform: rotate(330deg) translate(0.12375rem, 0px);
}

@-webkit-keyframes opacity-60-25-0-12 {
  0% {
    opacity: 0.25;
  }
  0.01% {
    opacity: 0.25;
  }
  0.02% {
    opacity: 1;
  }
  60.01% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.25;
  }
}
@-webkit-keyframes opacity-60-25-1-12 {
  0% {
    opacity: 0.25;
  }
  8.34333% {
    opacity: 0.25;
  }
  8.35333% {
    opacity: 1;
  }
  68.3433% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.25;
  }
}
@-webkit-keyframes opacity-60-25-2-12 {
  0% {
    opacity: 0.25;
  }
  16.6767% {
    opacity: 0.25;
  }
  16.6867% {
    opacity: 1;
  }
  76.6767% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.25;
  }
}
@-webkit-keyframes opacity-60-25-3-12 {
  0% {
    opacity: 0.25;
  }
  25.01% {
    opacity: 0.25;
  }
  25.02% {
    opacity: 1;
  }
  85.01% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.25;
  }
}
@-webkit-keyframes opacity-60-25-4-12 {
  0% {
    opacity: 0.25;
  }
  33.3433% {
    opacity: 0.25;
  }
  33.3533% {
    opacity: 1;
  }
  93.3433% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.25;
  }
}
@-webkit-keyframes opacity-60-25-5-12 {
  0% {
    opacity: 0.270958333333333;
  }
  41.6767% {
    opacity: 0.25;
  }
  41.6867% {
    opacity: 1;
  }
  1.67667% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.270958333333333;
  }
}
@-webkit-keyframes opacity-60-25-6-12 {
  0% {
    opacity: 0.375125;
  }
  50.01% {
    opacity: 0.25;
  }
  50.02% {
    opacity: 1;
  }
  10.01% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.375125;
  }
}
@-webkit-keyframes opacity-60-25-7-12 {
  0% {
    opacity: 0.479291666666667;
  }
  58.3433% {
    opacity: 0.25;
  }
  58.3533% {
    opacity: 1;
  }
  18.3433% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.479291666666667;
  }
}
@-webkit-keyframes opacity-60-25-8-12 {
  0% {
    opacity: 0.583458333333333;
  }
  66.6767% {
    opacity: 0.25;
  }
  66.6867% {
    opacity: 1;
  }
  26.6767% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.583458333333333;
  }
}
@-webkit-keyframes opacity-60-25-9-12 {
  0% {
    opacity: 0.687625;
  }
  75.01% {
    opacity: 0.25;
  }
  75.02% {
    opacity: 1;
  }
  35.01% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.687625;
  }
}
@-webkit-keyframes opacity-60-25-10-12 {
  0% {
    opacity: 0.791791666666667;
  }
  83.3433% {
    opacity: 0.25;
  }
  83.3533% {
    opacity: 1;
  }
  43.3433% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.791791666666667;
  }
}
@-webkit-keyframes opacity-60-25-11-12 {
  0% {
    opacity: 0.895958333333333;
  }
  91.6767% {
    opacity: 0.25;
  }
  91.6867% {
    opacity: 1;
  }
  51.6767% {
    opacity: 0.25;
  }
  100% {
    opacity: 0.895958333333333;
  }
}

　　flexible.min.js地址：http://files.cnblogs.com/files/gaihongxu/flexible.min.js

 

　　以下转载自（http://www.cnblogs.com/jr1993/p/4622039.html ）

　2.　

技术分享

<div class="loading">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
</div>
.loading{
            width: 80px;
            height: 40px;
            margin: 0 auto;
            margin-top:100px;
        }
        .loading span{
            display: inline-block;
            width: 8px;
            height: 100%;
            border-radius: 4px;
            background: lightgreen;
            -webkit-animation: load 1s ease infinite;
        }
        @-webkit-keyframes load{
            0%,100%{
                height: 40px;
                background: lightgreen;
            }
            50%{
                height: 70px;
                margin: -15px 0;
                background: lightblue;
            }
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.2s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.4s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.6s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.8s;
        }

3.技术分享

<div class="loading">
        <span></span>
</div>
.loading{
            width: 150px;
            height: 4px;
            border-radius: 2px;
            margin: 0 auto;
            margin-top:100px;
            position: relative;
            background: lightgreen;
            -webkit-animation: changeBgColor 1.04s ease-in infinite alternate;
        }
        .loading span{
            display: inline-block;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: lightgreen;
            position: absolute;
            margin-top: -7px;
            margin-left:-8px;
            -webkit-animation: changePosition 1.04s ease-in infinite alternate;
        }
        @-webkit-keyframes changeBgColor{
            0%{
                background: lightgreen;
            }
            100%{
                background: lightblue;
            }
        }
        @-webkit-keyframes changePosition{
            0%{
                background: lightgreen;
            }
            100%{
                margin-left: 142px;
                background: lightblue;
            }
        }

4.技术分享技术分享技术分享

<div class="loading">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
</div>
.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            margin-top:100px;
        }
        .loading span{
            display: inline-block;
            width: 15px;
            height: 100%;
            margin-right: 5px;
            border-radius: 50%;
            background: lightgreen;
            -webkit-animation: load 1.04s ease infinite;
        }
        .loading span:last-child{
            margin-right: 0px; 
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
            }
            100%{
                opacity: 0;
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }
.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            margin-top:100px;
        }
        .loading span{
            display: inline-block;
            width: 15px;
            height: 100%;
            margin-right: 5px;
            border-radius: 50%;
            background: lightgreen;
            -webkit-animation: load 1.04s ease infinite;
        }
        .loading span:last-child{
            margin-right: 0px; 
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
                -webkit-transform: scale(1.3);
            }
            100%{
                opacity: 0.2;
                -webkit-transform: scale(.3);
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }
.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            position: relative;
            margin-top:100px;
        }
        .loading span{
            position: absolute;
            width: 15px;
            height: 100%;
            border-radius: 50%;
            background: lightgreen;
            -webkit-animation: load 1.04s ease-in infinite alternate;
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
                -webkit-transform: translate(0px);
            }
            100%{
                opacity: 0.2;
                -webkit-transform: translate(150px);
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }

5.技术分享技术分享技术分享

<div class="loading">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
</div>
.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            margin-top:100px;
            text-align: center;
        }
        .loading span{
            display: inline-block;
            width: 15px;
            height: 100%;
            margin-right: 5px;
            background: lightgreen;
            -webkit-animation: load 1.04s ease infinite;
        }
        .loading span:last-child{
            margin-right: 0px; 
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
            }
            100%{
                opacity: 0;
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }
.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            margin-top:100px;
        }
        .loading span{
            display: inline-block;
            width: 15px;
            height: 100%;
            margin-right: 5px;
            background: lightgreen;
            -webkit-transform-origin: right bottom;
            -webkit-animation: load 1s ease infinite;
        }
        .loading span:last-child{
            margin-right: 0px; 
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
            }
            100%{
                opacity: 0;
                -webkit-transform: rotate(90deg);
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }
.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            margin-top:100px;
        }
        .loading span{
            display: inline-block;
            width: 15px;
            height: 100%;
            margin-right: 5px;
            background: lightgreen;
            -webkit-transform-origin: right bottom;
            -webkit-animation: load 1s ease infinite;
        }
        .loading span:last-child{
            margin-right: 0px; 
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
                -webkit-transform: scale(1);
            }
            100%{
                opacity: 0;
                -webkit-transform: rotate(90deg) scale(.3);
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }

6.技术分享技术分享

<div class="loadEffect">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
</div>
.loadEffect{
            width: 100px;
            height: 100px;
            position: relative;
            margin: 0 auto;
            margin-top:100px;
        }
        .loadEffect span{
            display: inline-block;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: lightgreen;
            position: absolute;
            -webkit-animation: load 1.04s ease infinite;
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
            }
            100%{
                opacity: 0.2;
            }
        }
        .loadEffect span:nth-child(1){
            left: 0;
            top: 50%;
            margin-top:-8px;
            -webkit-animation-delay:0.13s;
        }
        .loadEffect span:nth-child(2){
            left: 14px;
            top: 14px;
            -webkit-animation-delay:0.26s;
        }
        .loadEffect span:nth-child(3){
            left: 50%;
            top: 0;
            margin-left: -8px;
            -webkit-animation-delay:0.39s;
        }
        .loadEffect span:nth-child(4){
            top: 14px;
            right:14px;
            -webkit-animation-delay:0.52s;
        }
        .loadEffect span:nth-child(5){
            right: 0;
            top: 50%;
            margin-top:-8px;
            -webkit-animation-delay:0.65s;
        }
        .loadEffect span:nth-child(6){
            right: 14px;
            bottom:14px;
            -webkit-animation-delay:0.78s;
        }
        .loadEffect span:nth-child(7){
            bottom: 0;
            left: 50%;
            margin-left: -8px;
            -webkit-animation-delay:0.91s;
        }
        .loadEffect span:nth-child(8){
            bottom: 14px;
            left: 14px;
            -webkit-animation-delay:1.04s;
        }
.loadEffect{
            width: 100px;
            height: 100px;
            position: relative;
            margin: 0 auto;
            margin-top:100px;
        }
        .loadEffect span{
            display: inline-block;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: lightgreen;
            position: absolute;
            -webkit-animation: load 1.04s ease infinite;
        }
        @-webkit-keyframes load{
            0%{
                -webkit-transform: scale(1.2);
                opacity: 1;
            }
            100%{
                -webkit-transform: scale(.3);
                opacity: 0.5;
            }
        }
        .loadEffect span:nth-child(1){
            left: 0;
            top: 50%;
            margin-top:-10px;
            -webkit-animation-delay:0.13s;
        }
        .loadEffect span:nth-child(2){
            left: 14px;
            top: 14px;
            -webkit-animation-delay:0.26s;
        }
        .loadEffect span:nth-child(3){
            left: 50%;
            top: 0;
            margin-left: -10px;
            -webkit-animation-delay:0.39s;
        }
        .loadEffect span:nth-child(4){
            top: 14px;
            right:14px;
            -webkit-animation-delay:0.52s;
        }
        .loadEffect span:nth-child(5){
            right: 0;
            top: 50%;
            margin-top:-10px;
            -webkit-animation-delay:0.65s;
        }
        .loadEffect span:nth-child(6){
            right: 14px;
            bottom:14px;
            -webkit-animation-delay:0.78s;
        }
        .loadEffect span:nth-child(7){
            bottom: 0;
            left: 50%;
            margin-left: -10px;
            -webkit-animation-delay:0.91s;
        }
        .loadEffect span:nth-child(8){
            bottom: 14px;
            left: 14px;
             -webkit-animation-delay:1.04s;
　　　　}

 

CSS3实现Loading效果

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原文地址：http://www.cnblogs.com/gaihongxu/p/5468019.html
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