div.search {padding-bottom: 42px;}
 
        form {
            position: relative;
            width: 326px;
            margin: 0 auto;
        }
 
        input, button {
            border: none;
            outline: none;
        }
 
        input {
            width: 100%;
            height: 42px;
            padding-left: 13px;
        }
 
        button {
            height: 42px;
            width: 42px;
            cursor: pointer;
            position: absolute;
        }
 
        
 
        /*搜索框3*/
        
        .bar3 form {background: #ffffff;float: left;}
        .bar3 input, .bar3 button {
            background: transparent;
        }
        .bar3 button {
            top: 0;
            right: 0;
        }
        .bar3 button:before {
            content: "\f002";
            font-family: FontAwesome;
            font-size: 16px;
            color: #f72c28;
        }