<div class="yoho-suggest-sub-page yoho-page">
    <div id="header">
        <div class="blk-header-wrap" class="is-fixed">
            <div class="blk-header">
                <div class="blk-header-left">
                    <i class="icon icon-back go-back-btn"></i>
                </div>
                <div class="blk-header-right">
                </div>
                <div class="blk-header-main">
                    <span class="blk-header-title">意见反馈</span>
                </div>
            </div>
            <div class="blk-header-gap"></div>
        </div>
    </div>
    <div class="suggest-sub-form">
        <textarea name="" id="suggest-textarea" placeholder="请写下对于BLK的意见和建议，我们将及时根据您的意见作出改进"></textarea>
    </div>
</div>
<style>
    html,
    body {
        height: 100%;
    }

    .main-wrap {
        height: 100%;
    }
</style>