.w3-btn:hover, .w3-btn:visited {
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    text-decoration: none;
    color: #fff;
    font-weight:600;
}
.w3-btn {
    position:relative; 
    top:340px; 
    left:0px;
    display: inline-block;
    outline: 0;
    padding: 8px 16px;
    vertical-align: middle;
    overflow: hidden;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    white-space: nowrap;
    background-color: #4CAF50;
    color: #fff;
    border-color: #4CAF50;
    font-family: Verdana,sans-serif;
    font-size: 15px;
}
.modal-font-header {
    font-size: 34px;
    font-weight: 500;
    line-height: 1.1;
}
.modal-font-result {
    font-size: 28px;
    font-weight: 500;
    line-height: 1.1;
    color:#ac2925;
}
.modal-font-body {
    font-size: 24px;
    font-weight: 500;
    line-height: 1.1;
}
canvas {
    display: block;
    position: relative;
    z-index: 1;
    pointer-events: none;
}