body {
    background-color: #999;
    margin: 0;
    padding: 0;
}
.container {
    height: 95vh;
    width: 95%;
    margin: 20px auto;
    border: 2px solid #00ADEF;
    box-shadow: 0 0 5px #00ADEF;
}
.fullscreen {
    background-color: #999;
}