body{
    background: url("./imgs/katap-mobile.png") no-repeat center center fixed;
    /* height: 896px;
    width: 414px; */
    width: 100%;
    height: auto;
    -webkit-background-size: contain;
    -moz-background-size: contain;
    -o-background-size: contain;
    background-size: contain;
    background-origin: content-box;
    background-color: #2a2b2f;
}