body {
    font-family: Helvetica, Arial, sans-serif;
}

.flex-container {
    display: flex;
}

.flex-item {
    flex: 1;
}

h1 {
    text-align: center;
}

#canvas {
    margin-left: auto;
    margin-right: auto;
    display: block;
}

.template { display: none; }