body {
    background-color: #000033; /* Dark blue space theme */
    color: #FFFFFF;
    font-family: "Comic Sans MS", "Verdana", sans-serif;
    margin: 0;
    padding: 10px;
}

a {
    color: #00FF00; /* Matrix green links */
    text-decoration: none;
}

a:visited {
    color: #00CC00;
}

a:hover {
    color: #FF0000;
    text-decoration: underline;
    cursor: crosshair;
}

.container {
    width: 800px;
    margin: 0 auto;
    background-color: #000066;
    border: 5px ridge #3333FF;
}

.header {
    text-align: center;
    background-color: #000099;
    padding: 20px;
    border-bottom: 3px solid #FFFFFF;
}

.header h1 {
    text-shadow: 2px 2px #FF0000;
    margin: 5px;
}

.content-wrapper {
    display: flex;
}

.sidebar {
    width: 180px;
    background-color: #000055;
    padding: 10px;
    border-right: 2px solid #FFFFFF;
    text-align: center;
    font-size: 14px;
}

.main {
    flex: 1;
    padding: 20px;
    background-image: linear-gradient(#000066 1px, transparent 1px), linear-gradient(90deg, #000066 1px, transparent 1px);
    background-size: 20px 20px;
    background-color: #000044;
}

.footer {
    text-align: center;
    padding: 10px;
    border-top: 3px solid #FFFFFF;
    font-size: 10px;
    background-color: #000099;
}

.blink {
    animation: blinker 1s linear infinite;
}

@keyframes blinker {
    50% { opacity: 0; }
}

/* Navigation "Buttons" */
table.nav {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 5px;
}

td.nav-item {
    border: 2px outset #CCCCCC;
    background-color: #0000AA;
    padding: 5px;
    text-align: center;
}

td.nav-item:active {
    border: 2px inset #CCCCCC;
}

hr {
    border: 0;
    height: 1px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(255, 255, 255, 0.75), rgba(0, 0, 0, 0));
}

.hit-counter {
    border: 1px inset white;
    background: black;
    color: red;
    font-family: "Courier New", monospace;
    padding: 2px;
    display: inline-block;
    margin-top: 5px;
    letter-spacing: 3px;
}