body {
    margin: 0;
}

canvas {
    width: 100%;
    height: 100%
}

html, body {
    margin: 0; 
    height: 100%; 
    overflow: hidden
}


ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 200px;
    background-color: #f1f1f1;
}

li a {
    display: block;
    color: #000;
    padding: 8px 16px;
    text-decoration: none;
}

/* Change the link color on hover */
li a:hover {
    background-color: #555;
    color: white;
}

.nav-bar{
    position: absolute;
    z-index: 5; 
    background-color: #f1f1f1;    
    width: 200px;      
}

.nav-bar p{
    background-color: #555;
    text-align: center;
    margin-top: 0; 
    margin-bottom: 0;
    color: #f1f1f1; 
    font-size: 13px;
}

.nav-bar b{
    color: #f1f1f1; 
    font-size: 20px;
}

.active {
    background-color: rgb(76, 163, 175);
    color: white;
  }