.wrap-loading{
    z-index: 9999;
    position: fixed;
    left:0;
    right:0;
    top:0;
    bottom:0;
    background: rgba(0,0,0,0.2); /*not in ie */
    filter: progid:DXImageTransform.Microsoft.Gradient(startColorstr='#20000000', endColorstr='#20000000');    /* ie */
}
.wrap-loading div{
    position: fixed;
    top:50%;
    left:50%;
    margin-left: -21px;
    margin-top: -21px;
}
.display-none{
    display:none;
}

.wrap-loading img{
    width:50px;
}

.as_strong {
    color: #000;
    font-size: 3.2vw;
    font-weight: 600;
}

.wid150{
    width:150px;
}

.quizbtn{
    width:100%; height: 60px; border:0px; background-color: #80c269; color:white; font-weight: bold; bottom:0; }

.width100{
    width:100%;
}