img.funny {
    /* Set rules to fill background */
    min-height: 100%;
    min-width: 1024px;

    /* Set up proportionate scaling */
    width: 100%;
    height: 100%;

    /* Set up positioning */
    position: fixed;
    top: 0;
    left: 0;

    z-index: -69;
}

img.funny-on {
    /* Add a fade transition */
    -webkit-transition: opacity 20s;
    -moz-transition: opacity 20s;
    -o-transition: opacity 20s;
    transition: opacity 20s;
    opacity: 50%;
}

img.funny-off {
    opacity: 0;
}

img.vh-95 {
    /* Set the viewheight to 80% of the screen */
    height: 95vh;
}

div .line {
    border-width: 2px;
    border-color: white;
}

.hide {
    display: none;
}