.visible-hidden {
    clip: rect(1px, 1px, 1px, 1px);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

    .visible-hidden:focus {
        clip: auto;
        height: auto;
        overflow: auto;
        position: absolute;
        width: auto;
    }

    body{
        
    }

header{
    height: auto;
}