html,
      h1,
      h2,
      h3,
      h4,
      h5,
      h6,
      p,
      div,
      body {
        padding: 0;
        margin: 0;
        color: #fff;

      }
      body {
        font-size: 10px;
        font-family: "Lato", Helvetica, Arial, sans-serif;
      }
      * {
        box-sizing: border-box;
      }
      .center {
        text-align: center;
      }

      @font-face {
        font-family: 'DynaPuff';
        src: url('../../fonts/DynaPuff-Medium.ttf') format('truetype');
        font-weight: normal;
        font-style: normal;
      }

      #home {
        display:flex; flex-direction: column;        
        background-size: contain;
        background: url('../../imgs/other/bkg_green03.svg') repeat;
        background-position-y: -200px;
      }

      #menu {
        width: 80vw;
        height: 5vh;
        display: flex;
        flex-direction: row-reverse;        
        align-self: center;
     
      }

      #top-menu {        
        height: 7vw;
        border-color: #a2ca71;
        border-bottom-style: solid;
        border-bottom-left-radius: 1vw;
        border-bottom-right-radius: 1vw;
        border-top-left-radius: 0vw;
        border-top-right-radius: 0vw;
        background-color: #003100;
        display: flex;
        flex-direction: column;
        justify-content: center;
      }

      .menu-item-text {
        font-size: 3vw;
        font-weight: bolder;
        color: #a2ca71;
      }

      .menu-item-text-selected {
        font-size: 3vw;
        font-weight: bolder;
        color: white;
        text-decoration: underline;
        text-underline-offset: 0.6vw;
      }

      #footer {
        margin-top: 5vh; 
        height: 20vh; 
        display: flex; flex-direction: column;
        background-color: #003100;
      }

      #footer-content {
        margin-top: 2.5vh;
        display: flex; flex-direction: row; justify-content: center;        
      }

      #game-title {        
        font-size: 3.2vh;
        font-family: 'DynaPuff', sans-serif;
      }

      #main-content {
        display: flex;
        flex-direction: column;  
        justify-content: center;
      }

      #main-content > .area {
        width: 80vw;
        margin-top: 7vw;
        align-self: center;
      }

      #main-content > #area-title {
        width: 80vw;
        height: 7vw;
        margin-top: 6vh;
        margin-bottom: 1vh;
        align-self: center;
      }

      #main-content > #area-middle {
        width: 80vw;
        align-self: center;
        display: flex;
        flex-direction: column;
      }

      #main-content > #area-middle > #area-game {
        border-style: solid; border-width: 4px; border-radius: 20px; border-color: #ffffff;
        height: 65vw; 
        width: 80vw;
        overflow: hidden;
        position: relative;
        align-self: center;
        background-image: url('../common/bkground_forest.svg'); 
        background-size: 101% 101%; 
        background-repeat: no-repeat; 
        background-position-x: center
      }

      #main-content > #area-middle > #area-rules {
        border-radius: 20px;
        width: 80vw;
        background-color: #005100;
        margin-bottom: 3vw;
      }

      #main-content > #area-middle > #area-learning {
        border-radius: 20px;
        width: 80vw;
        background-color: #005100;
        margin-top: 3vw;
      }

      .spark {
        cursor: pointer;
        position: absolute;
        background-image: url('../common/spark.svg');
        background-size: contain;
      }

      .mshType1 {
        cursor: pointer;
        position: absolute;
        background-image: url('../common/mushroom_1s.svg');
        background-size: contain;
      }

      .mshType2 {
        cursor: pointer;
        position: absolute;
        background-image: url('../common/mushroom_2s.svg');
        background-size: contain;
      }

      .mshType3 {
        cursor: pointer;
        position: absolute;
        background-image: url('../common/mushroom_3s.svg');
        background-size: contain;
      }

      .grass_patch {
        width:12%; 
        height:8%; 
        position: absolute;
        background-size: contain;
        pointer-events: none;
      }

      .slot-nr {
        height: 25vw; 
        width: 24.5vw;
        top: 9.5vw;        
        display: block;
        position: absolute;
        font-size: 15vw;
        text-align: center;
        font-family: 'DynaPuff', sans-serif;
      }

      #slot0 { left: 0vw; }
      #slot1 { left: 24.5vw; }
      #slot2 { left: 53vw; }

      #slot0-sh { top: 10vw; left:  0.5vw; color: #226622; }
      #slot1-sh { top: 10vw; left: 25.0vw; color: #226622; }
      #slot2-sh { top: 10vw; left: 53.5vw; color: #226622; }

      #operandSelector {
        width: 100%;
        height: 7vw;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        position: absolute;
        top: -7vw;
      }

      .selectorCell {
        width: 8.9%;
        height: 7vw;
        padding-top: 1.5vw;
        font-size: 3.8vw;
        text-align: center;
        display: block;
        background-color: #113300;
        border-width: 1px;
        border-color: white;
        cursor: pointer;
        font-family: 'DynaPuff', sans-serif;
      }

      #selectorIcon {
          background-image: url('../common/mushroom_1s_on_green.svg');
          background-size: contain;
      }

      #main-content > .area-text {
        /*border-style: solid; border-width: 3px; border-radius: 10px; border-color: #ffffff;*/
        margin-top: 5vw;
        margin-bottom: 5vw;
        width: 80vw;
        overflow: hidden;
        position: relative;
        align-self: center;
      }
      
      .text-rule-title {
        font-size: 2.8vh;
        font-family: 'DynaPuff', sans-serif;
        margin: 1vh;
      }

      .text-rule {
        font-size: 2.0vh;
        font-family: 'DynaPuff', sans-serif;
        margin: 1vh;
        color: #a2ca71;
      }

      .text-learning-title {
        font-size: 2.8vh;
        font-family: 'DynaPuff', sans-serif;
        margin: 1vh;
      }

      .text-learning {
        font-size: 2.0vh;
        font-family: 'DynaPuff', sans-serif;
        margin: 1vh;
        color: #a2ca71;
      }


      .link {
        font-size: 1.9vh;
        color: white;
        text-decoration: none;
      }
      

      @media (min-aspect-ratio: 6/5) {

        html {
           height: 100%;
        }

        #top-menu {          
          height: 3vw;
        }

        .menu-item-text {
          font-size: 3vh;         
        }

        .menu-item-text-selected {
          font-size: 3vh;
          text-decoration: underline;
          text-underline-offset: 0.6vh;
        }

        .text-rule-title {
          font-size: 2.6vh;
          margin: 2vh;
        }

        .text-rule {
          font-size: 2.0vh;
          margin: 2vh;
        }

        .text-learning-title {
          font-size: 2.6vh;
          margin: 2vh;
        }

        .text-learning {
          font-size: 2.0vh;
          margin: 2vh;
        }        

        #game-title {
          font-size: 3.8vh;
          font-family: 'DynaPuff', sans-serif;
        }

        #main-content > .area {
          width: 80vw;
          height: 22vh;
          margin-top: 1vh;
          align-self: center;
        }

        #main-content > #area-title {
          width: 80vh;
          height: 7vh;
          margin-bottom: 0vh;
        }

        #main-content > #area-middle {
          height: 65vh; 
          width: 99vw;
          display: flex;
          flex-direction: row;
          justify-content: center;
        }

        #main-content > #area-middle > #area-game {
          height: 65vh; 
          width: 80vh;
        }

        #main-content > #area-middle > #area-rules {
          height: 65vh; 
          width: 30vh;
          margin-right: 3vh;
          margin-top: 0vw;
          margin-bottom: 0vw;
        }

        #main-content > #area-middle > #area-learning {
          height: 65vh; 
          width: 30vh;
          margin-left: 3vh;
          margin-top: 0vw;
          margin-bottom: 0vw;
        }        


        .slot-nr {
          height: 25vh; 
          width: 24.5vh;
          top: 9.5vh;        
          display: block;
          position: absolute;
          font-size: 15vh;
          text-align: center center;
          font-family: 'DynaPuff', sans-serif;
        }

        #slot0 { left: 0vh; }
        #slot1 { left: 24.5vh; }
        #slot2 { left: 53vh; }

        #slot0-sh { top: 10vh; left:  0.5vh; color: #226622; }
        #slot1-sh { top: 10vh; left: 25.0vh; color: #226622; }
        #slot2-sh { top: 10vh; left: 53.5vh; color: #226622; }

        #operandSelector {
          width: 100%;
          height: 7vh;
          top: -7vh;
        }

        .selectorCell {
          width: 8.9%;          
          height: 7vh;
          padding-top: 1.5vh;
          font-size: 3.8vh;
        }


        #main-content > .area-text {
        /*border-style: solid; border-width: 3px; border-radius: 10px; border-color: #ffffff;*/
          margin-top: 2vw;
          margin-bottom: 2vw;
          width: 35vw;
          margin-left: 40vw;
          overflow: hidden;
          position: relative;
          align-self: right;
          text-align: right;
        }

        #footer {
          margin-top: 5vh; 
          height: 20vh; 
          display: flex; flex-direction: column;
          background-color: #003100;
        }

        #footer-content { 
          margin-top: 2.5vh;
          display: flex; flex-direction: row; justify-content: center;        
        }        
      }