* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background:black;
}

.canvas-container {
    position: relative;
    width: 900px;
    height: 600px;
    top: 55%;
    left: 50%;
    transform: translate(-50%, -0%);
    max-width: 100%;
    max-height: 100%;
}

h4, h3, h5, p {
    color: whitesmoke;
    margin: 0em;
    text-align: center;
}

#studyMode {
    position: absolute;
    top: 25%;
    left: 26%;
    transform: translate(-50%, -50%);
    width:110px;
    font-family: 'Verdana';
    font-weight: bolder;
    padding: 15px 25px;
    outline: none;
    border: none;
    border-radius: 15px;
    box-shadow: 0 9px rgb(126, 124, 17);
    background-color: rgb(255, 255, 0);
    cursor: pointer;  
    display: none;
}
#studyMode:hover {background-color: rgba(175, 175, 0);}
#studyMode:active {
    top: 26%;
    box-shadow: 0 4px rgb(75, 74, 10);
}

#canvas1 {
    /* position: absolute; */

/*     width: 900px;
    height: 600px; */
    background: white;
    border: 5px solid goldenrod;
    border-radius: 3px;
/*     max-width: 100%;
    max-height: 100%; */
}

#canvas2 {
    /* position: absolute; */

/*     width: 900px;
    height: 600px; */
    background: white;
    z-index: -1;
    display: none;
/*     max-width: 100%;
    max-height: 100%; */
}

img{
    display: none;
}

@media only screen and (max-height: 601px /*change back to 480*/) {
    #canvas1, #canvas2 {
        position: relative;
        left:auto;
        transform: translate(0%, 0%);
    }
}

@media only screen and (max-width: 901px) {
    #canvas1, #canvas2 {
        position: relative;
        left:auto;
        transform: translate(0%, 0%);
    }
}