.incorrect{background-color:red;color:#fff}#check-answers{padding:10px 10px;cursor:pointer;border:none;background-color:#96c7f4;color:black;font-size:1em;border-radius:5px;margin-top:10px}#restart-exercise{padding:10px 10px;cursor:pointer;border:none;background-color:#96c7f4;color:black;font-size:1em;border-radius:5px;margin-top:10px}.lescore{font-size:x-large;color:#045304}.number-input{width:30px;height:30px;text-align:center;font-size:18px;margin:1px}.filled{background-color:#d3d3d3;font-family:Arial,Helvetica,sans-serif}#correct-values{margin-top:10px;font-size:16px;color:#00f}
 @media (max-width:480px){.number-input{width:8px;height:8px;text-align:center;font-size:12px;margin:0px}#check-answers,#restart-exercise{font-size:medium}}