find.png

--css

/*@zxyuns --2018-10-10添加分类和搜索框*/
.tl-tag-active{
    width:80px;
    height:30px;
    line-height: 30px;
    background:#FB633C;
    border-radius:15px;
    text-align: center;
    margin-left: 20px;
    color: #FFFFFF;
}
.tl-tag{
    width:80px;
    height:30px;
    line-height: 30px;
    background:#E5E5E5;
    border-radius:15px;
    text-align: center;
    margin-left: 20px;
    color: #666666;
}

.jd_header {
    box-sizing: border-box;
    position: fixed;
    height: 45px;
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
    overflow: hidden;
    z-index: 50;
    background-color: #FB633C;
}

.jd_header .header_search {
    box-sizing: border-box;
    padding-left: 10px;
    width: 100%;
    height: 37px;
    margin-top: 4px;
    border-radius: 17px;
    background: rgba(255,255,255,0.9);
    font-size: 14px;
    color: #999;
    border: none;
}
.jd_header .header_glass {
    display: inline-block;
    position: absolute;
    right: 36px;
    top: 15px;
    width: 20px;
    height: 20px;
    background: url('../../assets/img/finds.png')no-repeat;
    background-size: 16px 16px;
}

--html

<header>
    <div class="jd_header">
        <input type="search" class="header_search" id="searchInput" placeholder="输入关键字搜索">
        <i class="header_glass"></i>
    </div>
</header>