css 清除一些默认的设置

input::-webkit-input-placeholder{ /*WebKit browsers*/
  //重置样式
}
  
input::-moz-input-placeholder{ /*Mozilla Firefox*/
  //重置样式
}

input::-ms-input-placeholder{ /*Internet Explorer*/ 
  //重置样式
}

//在input的css中加
outline：none 
或 
outline:medium;

input{ outline:medium;}
 /*获取焦点*/
input:focus{ 
  border: 1px dolid #EEE;
 }

li {
	list-style-type: none;
}
ol, ul {
	list-style: none;
}

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-family: "微软雅黑";
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}

h1, h2, h3, h4, h5, h6 {
	font-weight: bold;
}

fieldset {
	margin: 60px 0;
	text-align: center;
	border-top: 2px solid #61CDE7;
}

legend {
	padding: 0 80px;
	font-size: 22px;
	color: #61CDE7;    
}

a {
	text-decoration: none;
}

a:hover {
	cursor: pointer;
}

.fl {
	float: left;
}

.fr {
	float: right;
}

button {
	border: none;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}

ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: ‘‘;
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

.clearfix:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}