@media screen and (max-width: 800px) {
    body {
        margin: auto;
        width: 100%;
        height: 100%;
        font-size: 16px;
        /* color: #000; */
        line-height: 24px;
        /* background-color: #000; */
        min-height: 100%;
        font-family: 'Microsoft Yahei', '微软雅黑', Arial, sans-serif;
        overflow-x: hidden;
        overflow-y: auto;
    }


  

}

@media screen and (min-width: 900px) {
    body {
        margin: auto;
        width: 20%;
        height: 100%;
        font-size: 16px;
        /* color: #000; */
        line-height: 24px;
        /* background-color: #000; */
        min-height: 100%;
        font-family: 'Microsoft Yahei', '微软雅黑', Arial, sans-serif;
    }

}
.container {
    position: relative;
    text-align: center;
    height: 100vh;
}

#animat{
    animation:mymove 5s infinite;
    -webkit-animation:mymove 5s infinite; /*Safari and Chrome*/
    animation-direction:alternate;/*轮流反向播放动画。*/
    animation-timing-function: ease-in-out; /*动画的速度曲线*/
    /* Safari 和 Chrome */
    -webkit-animation:mymove 5s infinite;
    -webkit-animation-direction:alternate;/*轮流反向播放动画。*/
    -webkit-animation-timing-function: ease-in-out; /*动画的速度曲线*/
}

@keyframes mymove
            {
                0%{
                transform: scale(1);  /*开始为原始大小*/
                }
                25%{
                    transform: scale(1.1); /*放大1.1倍*/
                }
                50%{
                    transform: scale(1);
                }
                75%{
                    transform: scale(1.1);
                }

            }
            

.img_btn {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 99;
    animation: bling;
}

img {
    width: 100%;
    height: inherit;
}
html {
    width: 100%;
    -webkit-text-size-adjust: none;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    height: 100%;
    -webkit-overflow-scrolling: touch;
}

* {
    margin: 0;
    padding: 0;
    border: 0;


}