.div-absolute {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    text-align: center;
    width: 99%;
    padding-top: 20vh;
}

.div-ios-bg {
    width: 100%;
    height:99%;
    margin: 0px auto;
    display:none;
}

.begin-sub-img1 {
    margin-top: 5vh;
    left: 0px;
    top: 0px;
    z-index: -1;
}

.begin-sub-txt1 {
    left: 0px;
    top: 0px;
    z-index: -1;
    font-size: 22px;
    margin: 2vh auto 0vh auto;
    color: #525252;

}

.begin-sub-txt2 {
    left: 0px;
    top: 0px;
    z-index: -1;
    font-size:20px;
    margin: 6vh auto 0vh auto;
    color: #ffffff;

}

.begin-sub-img2 {
    margin-top: 2vh;
    left: 0px;
    top: 0px;
    z-index: -1;

}

.begin-sub-txt3 {
    margin-top: 4vh;
    left: 0px;
    top: 0px;
    padding-right: 4vh;
    padding-left: 4vh;
    z-index: -1;
    font-size: 22px;
    color: #b8b8b8;
}

.roundedRectangle-blue {
    /*margin-left:60px ;*/
    background: #008ef0;
    /*margin-top: 20px;*/
    padding-bottom: 10px;
    padding-top: 10px;
    padding-right: 10px;
    padding-left: 10px;
    max-width: 65%;
    /*width: 100px;*/
    border-width: thin;
    border-style: solid;
    border-radius: 6px;
    /*圆角的大小*/
    border-color: #4c92df #4c92df #4c92df #4c92df;
    /*边框颜色，依次为上、右、下、左*/
}