.header {
    background-color: royalblue;
    color: #fff;
    text-align: center;
    height: 200px;
}

.center-right-panels {
    height: 450px;
}

.content {
    background-color: #00B4D8;
}

.right-panel {
    background-color: #FEB139;
}

.footer {
    background-color: darkred;
    color: #fff;
    text-align: center;
    height: 100px;
}