body { text-align: center; } body, input[type="text"], span.btn { font-size: 24px; height: 30px; line-height: 24px; } small, label { font-size: 24px; color: #999; line-height: 24px; } strong#total { font-size: 30px; } input[type="submit"] { display: none; } canvas { margin-left: 90px; } div.container-fluid { width: 600px; margin-left: auto; margin-right: auto; text-align:left; }