body { 
    margin: 0; 
    padding: 0; 
    background: black;
    border: none;
    text-align: center;
}
div {
    color: white;
    padding: 0px 0px;
    border: none;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
}
canvas {
    display: block; 
    margin: 0 auto; 
    background: #000;  
    padding: 0px 0px;
}
.controls {
    background-color: green;
    color: blanchedalmond;
    border: none;
    padding: 5px 5px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    border-radius: 4px;
}
#instructions {
    position: fixed; /* Sit on top of the page content */
    display: none; /* Hidden by default */
    width: 100%; /* Full width (cover the whole page) */
    height: 100%; /* Full height (cover the whole page) */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,1); /* Black background with opacity */
    z-index: 2; /* Specify a stack order in case you're using a different order for other elements */
    cursor: pointer; /* Add a pointer on hover */
}
#explanation {
    position: fixed; /* Sit on top of the page content */
    display: none; /* Hidden by default */
    width: 100%; /* Full width (cover the whole page) */
    height: 100%; /* Full height (cover the whole page) */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,1); /* Black background with opacity */
    z-index: 2; /* Specify a stack order in case you're using a different order for other elements */
    cursor: pointer; /* Add a pointer on hover */
}
#expText{
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 25px;
    color: white;
    background-color: rgba(0,0,0,0.5);
    text-align:center;
    transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
}

#instText{
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 25px;
    color: white;
    background-color: rgba(0,0,0,0.5);
    text-align:center;
    transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
}

table {
    padding: 10px;
}