.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}
.mykb-box{
    width:390px;
    
    filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000,endColorstr=#99000000);
    border-radius:10px;
    user-select: none;
    -ms-user-select: none;
    position:absolute;
	top:173px;
	right:25%;
	margin-right: -200px;
}
.mykb-box ul,.mykb-box li{
    list-style: none;
}
.mykb-box li{
    width:70px;
    height:70px;
    line-height:70px;
    text-align: center;
    background:#fff;
    border-radius:10px;
    margin:10px;
    float:left;
    border: solid 1px #ccc;
    color:#000;
    font-size:20px;
    cursor:pointer;
}
.mykb-box li.active{
    background:#ccc;
}
.mykb-box .submit_btn{ display:block; width:100%; line-height: 50px; border-radius: 6px; text-align: center; background: #4ce7d3; font-size: 20px; color:#fff; margin-top: 20px; font-weight: bold;}