canvas {
    width:500px;
    height:500px;
    border: 5px solid black;
    position:absolute;
    left:50%;
    top:50%;
    margin-left:-250px;
    margin-top:-250px;
    border-radius:5px;
} body {
    margin:0px;
    width:100vw;
    height:100vh;
} .side-bar {
    position:absolute;
    left:-5px;
    top:50vh;
    margin-top:-225px;
    width:300px;
    height:450px;
    border: 2px solid black;
    border-radius: 5px;
} .range {
    position:absolute;
    top:110px;
    width:250px;
    left:25px;
    margin:0px;
    cursor:pointer;
} .text {
    border-style:none;
    width:30px;
    font-size: large;
    font-family:sans-serif;
} p {
    text-align: center;
    width:300px;
    font-size: large;
    font-family:sans-serif;
} button {
    font-size:large;
    font-family:sans-serif;
    margin-bottom:20px;
    margin-top:5px;
    cursor:pointer;
    vertical-align: auto;
} img {
    height:20px;
    vertical-align:sub;
    margin-left:-2px;
    margin-right:2px;
} input {
    font-size: large;
    width:200px;
    vertical-align: baseline;
} .file-upload {
    font-size: small;
}