canvas#myGLCanvas {
    width: 100%;
    margin: 0;
    padding-top: 2px;
    display: block;
}

body {
    background: black;
    color: white;
    font-family: verdana, serif;
}

#renderingOptions {
    width: 100%;
}

#rules {
    display: inline;
    margin: 0 auto;
}

#rules input {
    margin: 1% auto;
    padding: 10px 10px;
    border: 1px solid gray;
    border-radius: 2px;
    width: 30px;
    text-align: center;
    background: #333333;
    color: white;
}

#rules label {
    margin: 3px 1% 10px 10px;
    padding: 10px;
    border-radius: 5px;
}

button {
    border-radius: 10px;
    border: 1px solid gray;
    width: 100px;
    height: 50px;
    font-size: large;
    margin: 5px;
    background: black;
    color: white;
}

button {
    cursor: pointer;
}