.exam-con{
    padding: 0 20px 20px;
}
.return-btn{
    margin-top: 12px;
}
.exam-item{
    position: relative;
    padding: 24px 98px 24px 10px;
    border-bottom: 1px solid #F8F9FB;
}
.exam-item:last-child{
    border-bottom: 0;
}
.do-exam-btn{
    position: absolute;
    right: 10px;
    top: 50%;
    margin-top: -18px;
}
.do-exam-btn a{
    width: 78px;
    text-align: center;
    height: 36px;
    line-height: 34px;
    color: #3C81F9;
    border:1px solid #3C81F9;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
    display:inline-block;
}
.do-exam-btn span{
    margin-right: 10px;
    color: #999;
}
.exam-item-title{
    font-weight:normal;
    line-height: 24px;
}
.exam-item-title a{
    color: #606367;
}
.exam-item-con{
    margin-top: 10px;
    color: #A4AAB2;
}
.exam-item-con span{
    margin-right: 50px;
    font-size: 14px;
}
.do-exam-lock{width: 16px;
    height: 16px;
    background: url(/ks_inc/member-center/images/coursedetail/lesson_icon_lock.png) no-repeat;
    background-size: 100% 100%;
    display: block;
    position: relative;
    top: 6px;}