maintenance/application/admin/view/student/exercise/index.html

<style>
    .profile-avatar-container {
        position: relative;
        width: 100px;
        margin: 0 auto;
    }

    .profile-avatar-container .profile-user-img {
        width: 100px;
        height: 100px;
    }

    .profile-avatar-container .profile-avatar-text {
        display: none;
    }

    .profile-avatar-container:hover .profile-avatar-text {
        display: block;
        position: absolute;
        height: 100px;
        width: 100px;
        background: #444;
        opacity: .6;
        color: #fff;
        top: 0;
        left: 0;
        line-height: 100px;
        text-align: center;
    }

    .profile-avatar-container button {
        position: absolute;
        top: 0;
        left: 0;
        width: 100px;
        height: 100px;
        opacity: 0;
    }
    .panel-heading{font-size: 18px}
</style>
<div class="row animated fadeInRight">
    <div class="col-md-12">
        <div class="box box-primary">

            <div class="panel-body">
                <form id="update-form" role="form" data-toggle="validator" method="POST" action="">
                    {:token()}
                    <div class="panel-heading">
                        {:__('基本信息')}
                    </div>
                    <div class="box-body box-profile">
                        <div class="row">
                            <div class="form-group col-sm-12">
                                <label class="control-label">{:__('模拟器类型')}:</label>
                                <select class="form-control" name="row[sim_type]" data-rule="required" style="width: 80%">
                                    <option value="">请选择</option>
                                    {volist name="sim_sim_type" id="vo"}
                                    <option value="{$key}">{$vo}</option>
                                    {/volist}
                                </select>
                            </div>
                        </div>
                    </div>
                    <div class="panel-heading">
                        {:__('注意事项')}
                    </div>
                    <div class="box-body box-profile">
                        <div style="color: rgb(192, 74, 84)">1.遵守考场纪律‌</div>
                        <div style="color: rgb(192, 74, 84)">2.合理安排时间</div>
                    </div>
                    <div class="form-group" style="text-align: center">
                        <button type="submit" class="btn btn-info">{:__('开始练习')}</button>
                        <!--                            <button type="reset" class="btn btn-default">{:__('Reset')}</button>-->
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>