@import url('https://fonts.cdnfonts.com/css/perfect-dos-vga-437');

* {
    font-family: 'Perfect DOS VGA 437 Win', 'Courier New', Courier, monospace;
    user-select: none;
}

:root {
    --bg: #010197;
    --bg-txt: #0003a3;
    --bg-alt: #0000f5;
    --fg: #aaa;
    --sel: #fff;
    --info: #000;
    --dis: #34323b;
}

body {
    margin: 0px;
    background-color: var(--fg);
    size: 100%;
    height: 100%;
}



.header {
    overflow: hidden;
    padding: 2px 2px;
    background-image: linear-gradient(90deg, #000004, #0000f5, #000004);
    background-size: 200% 100%;
    background-position: 100% 0;
    animation: slide 6s infinite linear;

    p {
        text-align: center;
        color: #fff;
        font-size: 1.25rem;
        margin: 0;
    }
}

@keyframes slide {
    from {
        background-position: 200% 0;
    }

    to {
        background-position: 0 0;
    }
}

footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: var(--bg-alt);
    color: var(--sel);
    text-align: center;
    height: 3em;
}

nav {
ul {
    list-style-type: none;
    margin: 0;
    padding-left: 2em;
    overflow: hidden;
    background-color: var(--bg-alt);
}

li {
    float: left;
}

li a {
    display: block;
    color: var(--fg);
    text-align: center;
    padding: 2px 16px;
    text-decoration: none;
    border: none;
}

/* Change the link color to #111 (black) on hover */
li a.active {
    background-color: var(--fg);
    color: var(--bg);
}

}

.main-content {
    display: block;
    height: calc(100vh - 7.75em); /* Full viewport height minus the header and footer height */
    padding: 0 10px;
    box-sizing: border-box;
    
    p {
        padding-left: 10px;
        margin: 8px;
        color: var(--bg);
        .disabled {
            color: var(--dis);
        }
        
    }
    #h1 {
        font-size: 1.3rem;
        margin-bottom: 4px;
    }
    .selected {
        color: var(--sel);
    }
    .no {
        color: var(--bg-alt);
        text-decoration: none;
        border: none;
    }
    a.visited {
        color: var(--bg-alt);
    }
    
    li {
        color: var(--bg-alt);
    }
}

.border {
    padding: 4px;
    border: 2px solid var(--bg);
    height: 100%;
    box-sizing: border-box;
    
}