.keybtn {
          margin: 0 0 13px 25px;
          border-radius: 10px;
          border:none;
          outline: none;
          height: 60px;
          width: 60px;
          background-color: #b2dcf2;
          color: #2c2c30;
          opacity: 0.8;
          font-size: 30px;
          box-shadow: 0 0 4px #c7c3ea;
          transition: all 0.3s;
          user-select: none;
        }

        .keybtn:hover {
            opacity: 1;
            box-shadow: 0 0 12px #c7c3ea;
        }
        .keybtn:active {
            opacity: 0.5;
            box-shadow: 0 0 8px #c7c3ea;
        }