body {
    background-color: black;
    background-image: url(erasable-gray-concrete-wallpaper-sample.jpg);
    background-size: auto;
    opacity: 90%;
    
}

a {
    text-decoration: none;
    color: black;
}

a:hover {
    animation: fade 2s linear infinite alternate;
}

@keyframes fade {
    from {color: black;}
    to {color: white;}
}

.nav {
    position: fixed;
    margin-top: 2vmin;
    margin-left: 2vmin;
    font-size: 200%;
    z-index: 1;
}

.warmDev {
    height: 98vh;
    filter: saturate(2);
    z-index: -1;
}