a{text-decoration:none}.index-list{margin-top:50px;display:flex;flex-direction:column;gap:15px;font-size:25px;font-weight:500;color:#4169e1}.back-link{color:purple;font-weight:700;font-size:20px}.main-container{padding-left:70px;padding-top:100px}.timer{display:flex;gap:10px;margin-top:20px}.field{display:flex;flex-direction:column;align-items:center;font-size:16px;font-weight:600}button{border:none;background-color:#d3d3d3;color:#000;font-size:16px;font-weight:500;height:30px;width:60px;cursor:pointer}button:hover,button:focus{background-color:#a9a9a9}.form label,.form legend{font-size:20px;font-weight:bolder}.form fieldset{margin-top:15px;width:350px;background-color:#e6f3ff}.form button{margin-top:25px;width:120px;height:50px;font-size:20px;font-weight:bolder}