*{
    margin: 0;
    padding: 0;
    
}

body{
    position: absolute;
    width: 100%;
    height: 100%
}

.containear{
    position: absolute;
    top: -18px;
    width: 100%;
    height: 100%;
    background: url("./images/bg.png") no-repeat ;
    text-align: center;
}

.logo{
    margin:auto;
    margin-top: 15%;
}
.pic{
    margin-left: 75px;
}
.desc{
    font-size: 25px;
    width: 588px;
    margin:10% auto;
    color: #393c46;
}
.desc img{
    margin-top: 10px;
}

.btn{
    width: 614px;
    height: 86px;
    margin: 10% auto;
    background: url(./images/btn.png) no-repeat;
    font-size: 28px;
    color: white;
    line-height: 86px;
}