#panel {
     display: table;
     margin: auto;
 }
 
 #main {
     text-align: center;
 }
 
 #left,
 #right {
     display: table-cell;
 }
 
 #left {
     text-align: center;
 }
 
 #right {
     width: 35%;
     padding-left: 30px;
     align-content: center;
 }

 .btn {
     display: inline-block;
     font-weight: 400;
     text-align: center;
     white-space: nowrap;
     vertical-align: middle;
     -webkit-user-select: none;
     -moz-user-select: none;
     -ms-user-select: none;
     user-select: none;
     border: 1px solid lightgrey;
     padding: 5px;
     font-size: 20px;
     font-weight: bold;
     line-height: 1;
     border-radius: 5px;
     transition: all .15s ease-in-out;
     box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.5);
     cursor: pointer;
     margin: 6px;
     background-color: white;
 }
 
 .btn:hover {
     box-shadow: 2px 2px 3px rgba(0, 0, 0, 0.7);
 }
 
 .action_btn {
     padding: 5px 20px;
     display: block;
     margin: 0 0 15px 0;
     font-size: 16px;
     width: 200px;
 }
 
 .highlight_btn {
     border: 3px solid #f57921;
 }
 
 .dice {
     width: 70px;
     height: 70px;
 }
 
 .active {
     background-color: #ACCEEC;
 }
 
 button:focus {
     outline: 0;
 }
 
 button:disabled {
     cursor: not-allowed;
 }
 
 #board {
     display: inline-block;
     border: 5px solid #FFCA08;
     background-color: #398BD4;
     padding: 15px;
     margin: 10px auto 10px auto;
     text-align: center;
     border-radius: 8px;
 }
 
 #error {
     color: #ffffff;
     margin-bottom: 40px;
 }
 
 .msg {
     font-size: 20px;
     font-weight: bold;
 }
 
 #score-table {
     width: 330px;
     margin: 10px auto;
     background-color: rgb(5, 5, 5);
     border: 5px solid #FFCA08;
 }
 
 #score-table div {
     display: table;
     width: 100%;
     border-collapse: collapse;
 }
 
 #score-table div span {
     display: table-cell;
     width: 50%;
     border: 2px solid #FFCA08;
     -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
     box-sizing: border-box;
     padding: 3px;
 }
 
 #score-table .table-total {
     background-color: rgb(3, 3, 3) !important;
     font-weight: bold;
 }
 
 #score-table .table-title {
     font-weight: bold;
 }
 
 .restart {
     background-color: lightblue;
 }
 
 .restart img {
     width: 15px;
     height: 15px;
 }