body {
    margin: 0;
    padding: 0;
}
*{
    box-sizing: border-box;
}
#main {
    width: 100%;
    height: 100%;
}

.container {
    position: relative;
    padding: 20px;
    height: 100vh;
}

.control {
    position: absolute;
    top: 70px;
    left: 200px;
    z-index: 9;
}