r: coral;
        }
        @top-left-corner{
          background-color: crimson;
        }
        @top-left{
          background-color: coral;
        }
        @top-center{
          background-color: yellow;
        }
        @top-right{
          background-color: coral;
        }
        @top-right-corner{
          background-color: crimson;
        }
        @right-top{
          background-color: cornflowerblue;
        }
        @right-middle{
          background-color: aquamarine;
        }
  