body {
    background-color: #000000;
    color: #EFEFEF;
    font-family: "Courier New", monospace;
}

.top {
    height: 150px;
    border: solid #FFFFFF 1px;
}

.menu {
    float:left;
    width: 15%;
    height: 100%;
    background-color: #222222;
}

.main {
    box-sizing: border-box;
    float:left;
    width: 66%;
    height: 100%;
    padding: 10px;
}

.right {
    float:left;
    width: 15%;
    height: 100%;
    background-color: #222222;
}