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

#header {
    font-family:Verdana, Geneva, Tahoma, sans-serif;
    padding-top: 20px;
    padding-left: 30px;
}
#canvas1 {
    border: 5px solid black;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-height: 100%;
    max-width: 100%;
    font-family: 'Creepster', cursive;
}

#player, #layer1, #layer2, #layer3, #layer4, #layer5, #fly, #plant, #spiderBig, #fire, #boom, #heart {
    display: none;
}