main { width: 500px; margin-top: 50px; margin-left: auto; margin-right: auto; text-align: center; } h2 { margin-top: 0; margin-bottom: 5px; font-size: 20px; } h3 { margin-top: 0; margin-bottom: 5px; font-size: 12px; text-align: left; } table { width: 100%; text-align: left; } table thead { background-color: #D6EED6; } #logo { width: 200px; }