body {
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
    background-color: #0d0d0d;
    color: #00bb13;
}

#header {
    background-color: #1a1a1a;
    padding: 20px;
    text-align: center;
    border-bottom: 2px solid #00bb13;
}

#container {
    display: flex;
    justify-content: space-between;
    padding: 20px;
}

.column {
    background-color: #1a1a1a;
    border: 1px solid #00bb13;
    padding: 20px;
    width: 30%;
    box-shadow: 0 0 10px #00bb13;
}

#footer {
    background-color: #1a1a1a;
    text-align: center;
    padding: 10px;
    border-top: 2px solid #00bb13;
    position: relative;
    bottom: 0;
    width: 100%;
}