#mortgage-calculator{background-color:#f9f9f9;border:1px solid #ccc;border-radius:5px;box-shadow:0 0 10px #ccc;margin:auto;padding:20px;width:300px}.input-field{margin-bottom:10px}.input-field label{display:block;margin-bottom:5px}.input-field input{border:1px solid #ddd;border-radius:5px;padding:10px;width:calc(100% - 22px)}button{background-color:#0056b3;border:none;border-radius:5px;color:#fff;cursor:pointer;padding:10px;width:100%}button:hover{background-color:#003d82}.input-with-symbol{position:relative}.percentage-symbol{pointer-events:none;position:absolute;right:10px;top:50%;transform:translateY(-50%)}