html,body{
    width: 100%;
    height: 100%;
    padding:0px;
    margin:0px auto;
    font-family: MyFontASCII,MyFontLatin,MyFontJuIn,MyCustomFont,Microsoft JhengHei,Arial;
}
#fullscreen{
    display:table;
    width: 100%;
    height: 100%;
}
#main{
    background: #336a80;//#c7c7c7;
    display:table-cell;
    vertical-align:middle;
    text-align:center;
    font-size:5vw;
    width:100%;
    height:100%;
}
.main{
    width:100%;
}
h1{
    padding:0em 0em;
    margin:0.7em 0em;
    line-height:1.2;
    color:#041c61;
    font-size:3.2rem;
    font-weight:400;
}
img{
    max-width: 768px;
    width:100%;
}
.btn{
    display: inline-block;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    border: 1px solid transparent;
    padding: .375rem .75rem;
    font-size: 1.5em;
    line-height: 1.3;
    border-radius: .5rem;
    color:#fff;
    //width:220px;
    padding:5px 3em;
    margin-bottom:2em;
    background:#000;
    
    animation: scaleDrew 2s ease-in-out infinite;
}


@keyframes scaleDrew {
  0% {
    transform: scale(0.85);//开始放大倍数
  }
  50% {
     transform: scale(1.0);//50%时放大倍数：x轴和y轴
  }
  100% {
    transform: scale(0.85);//最终放大倍数
  }
}

ol,ul{
    list-style: none;
}
@media screen and (min-width:767px){
    h1 {
        font-size: 4.3vw;
    }
    img {
        margin-top: 50px;
        width: 100%;
    }
    buttom{
        font-size: 0.5em;
        padding: 5px 3.5em;
        margin-bottom:5em;
    }
}