.gaj {
    height: 720px;
    position: relative;
}

.czkj-content-all-out{
    padding-top: 0;
}

@media screen and (max-width: 640px){
    html, body {
        width: 100%;
        height: 100%;
        overflow: scroll;
    }
    .gaj {
        height: 100%;
    }
    .czkj-content-all{
        margin-top: 0;
    }
}