body, html {
    padding: 0px;
    border: 0px;
    margin: 0px;
    background-color: #ff0000;
}

.fixed-background {
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background:
    url(images/bluebg/rh4c\ bg\ wires.png) center / cover no-repeat,
    url(images/bluebg/rh4c\ bg\ top\ border.png) center top / 100% no-repeat,
    url(images/bluebg/rh4c\ bg\ btm\ border.png) center bottom / 100% no-repeat,
    url(images/bluebg/rh4c\ bg\ wo\ borders.jpg) center / cover no-repeat;
}

pre {
    font-family: monospace;
    padding: 0px;
    border: 0px;
    margin: 0px;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ffffff;
    font-size: 1rem;
    text-shadow: 1px 1px 10px white;
    background-color: #00000075;
    padding: 25px;
    box-shadow: 0px 0px 50px black;
}

a {
    border: 0px;

    background-color: #00000000;
    background-image: url(images/sprites/button.png);
    background-size: 100%;
    background-repeat: no-repeat;
    margin-bottom: 5px;
}

a:hover {
    background-image: url(images/sprites/buttonhover.png);
    margin-top: 5px;
    margin-bottom: 0px;
}

.buttonimg {
    opacity: 0;
}

.flex-container {
    position: absolute;
    bottom: 8vh;
    width: 100%;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}