* {
            text-align: center;
      }

      .first_class {
            font-weight: bolder;
            text-align: center;
            font-size: 20px;
      }

      .input_block {
            margin-top: 20px;
            padding-top: 6px;
            width: 200px;
            height: 30px;
            font-weight: 700;
            font-size: large;
            text-align: center;
            border-radius: 23px;
            border-bottom: 10px ridge rgb(107, 236, 236);
            border-left: none;
            border-right: none;
            border-top: none;
            background-color: rgb(208, 241, 220);
      }

      #code {
            display: inline-block;
            width: 200px;
            height: 40px;
            padding-top: 10px;
            margin: auto;
            background-color: rgb(200, 245, 217);
            text-align: center;
            border: 1px solid rgb(12, 0, 0);
            border-radius: 5px;
      }

      .code1 {
            display: inline-block;
            width: 100px;
            background-color: rgb(200, 245, 217);
            text-align: center;
            overflow: hidden;
            padding: 0px;
            margin: 0px;
            text-align: center;
            height: 50px;
            padding-top: 30px;
            font-size: 25px;
            border: 1px solid;
      }

      .players {
            display: inline-block;
            width: 200px;
            height: 40px;
            padding-top: 10px;
            margin: 0px;
            background-color: rgb(200, 245, 217);
            text-align: center;
            border: 1px solid rgb(12, 0, 0);
            border-radius: 5px;
            margin-bottom: 10px;
      }

      .area_class {
            background-color: antiquewhite;
            width: 1024px;
            margin: auto;
      }

      .bt {
            width: 150px;
            border-radius: 9px;
            height: 40px;
            padding: 0px;
            font-size: 20px;
            font-weight: 700;
            margin: 0px;
      }

      #alert {
            margin: 10px;
      }

      .second_class {
            display: none;
            background-color: rgb(181, 253, 253);
            text-align: center;
            margin-top: 0%;

      }