SearchBar 搜索栏

<header class="h5ui-bar h5ui-searchbar">
    <div class="searchbar-content clearfix">
        <form action="">
            <input type="search" id="title" class="h5ui-form-input" placeholder="搜一下">
        </form>
    </div>
    <div class="searchbar-cancel">取消</div>
</header>