css实现一段不够一行时居中显示，多于一行时两端对齐

1 <div class="text"><p>2. Tap WiFi Key Search</p></div>
2 <div class="text"><p>3. Please wait 5-15 secs in your Wi-Fi Settings for WiFi list to load. Tap on hotspots with "WiFi Master Key WiFi Key Search " to connect</p></div>

.text{
    width: 285px;
    margin: auto;
    padding: 8px;
    background-color: #d8d8d8;
    text-align: center;
    font-size: 15px;
    color: #333;
}
.text p{
    display: inline-block;
    margin: auto;
    text-align: justify;
}