HTML5 image icon to input placeholder

HTML

<!-- Search, search, search and search! -->
<input type="search" class="serchicon" name="search" placeholder="search" rel="search" />

CSS

input {
    background-image: url(https://cdn4.iconfinder.com/data/icons/round-mobile-ui-set/512/letter-message-email-mail-20.png);
    background-position: 10px center;
    background-repeat: no-repeat;
    border: 1px solid #ccc;
    
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    -ms-border-radius: 4px;
    -o-border-radius: 4px;
    border-radius: 4px;
    
    padding: 10px 5px 10px 20px;
    text-indent: 20px;
    
    -webkit-transition: all 0.2s;
    -moz-transition: all 2s;
    transition: all 0.2s;
    
    width: 200px;
}