*{
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {
    body {
   background-color: rgb(121, 168, 170);
   }
 }
  
 
   /* Medium devices (landscape tablets, 768px and up) */
   @media only screen and (min-width: 768px) {
      body {
            border: 2px dashed red; 
            /* background-image: url(./images/orquid1.jpg); */
            background-color: rgb(160, 144, 144);
            font-style: italic;
   }
 }
 
   /* Large devices (laptops/desktops, 992px and up) */
   @media only screen and (min-width: 992px) {
     body {
       background-color: rgb(185, 140, 202);
     }
   } 
 
 
h1 {
    margin-top: 30px;
    text-align: center;
}

table {
    width: 90vw;
    height: 90vh;
    margin: 10vh auto;
}

td{
    text-align: center;
    width: 3rem;
    height: 2rem;
    border-radius: 10%;
    border: 2px gray solid;
}

td:empty{
    border: none;
}

td:hover {
    transform: scale(1.5);
    transition: 0.5s;
}

tr:nth-child(9) td:nth-child(n +2):nth-child(-n +15){
    background-color: rgb(87, 160, 136);
}
tr:nth-child(8) td:nth-child(n +2):nth-child(-n +15){
    background-color: lightskyblue;
}
tr:nth-child(n +4):nth-child(-n +5) td:nth-child(n +3):nth-child(-n +12){
    background-color: green;
}
tr:nth-child(n +6):nth-child(-n +7) td:nth-child(n +4):nth-child(-n +12){
    background-color: green;
}
tr:nth-child(6) td:nth-child(3){
    background-color: lightskyblue;
}
tr:nth-child(7) td:nth-child(3){
    background-color: rgb(87, 160, 136);
}
tr:nth-child(n +2):nth-child(-n +7) td:nth-child(2){
    background-color: beige;
}

tr:nth-child(n +2):nth-child(-n +7) td:nth-child(1){
    background-color: purple;
}
tr:nth-child(1) td:nth-child(1){
    background-color: yellow;
}
tr:nth-child(n +3):nth-child(-n +7) td:nth-child(13){
    background-color: pink;
}
tr:nth-child(n +5):nth-child(-n +7) td:nth-child(14){
    background-color: pink;
}
tr:nth-child(6) td:nth-child(15){
    background-color: pink;
}
tr:nth-child(n +1):nth-child(-n +6) td:nth-child(18){
    background-color: plum;
}
tr:nth-child(n +2):nth-child(-n +6) td:nth-child(17){
    background-color: rgb(202, 158, 12);
}
tr:nth-child(7) td:nth-child(15){
    background-color: rgb(202, 158, 12);
}
tr:nth-child(2) td:nth-child(13), tr:nth-child(n +3):nth-child(-n +4) td:nth-child(14), tr:nth-child(4) td:nth-child(15), tr:nth-child(5) td:nth-child(n +15):nth-child(-n +16), tr:nth-child(6) td:nth-child(16){
    background-color: salmon;
}
tr:nth-child(2) td:nth-child(n +14):nth-child(-n +16), tr:nth-child(3) td:nth-child(n +15):nth-child(-n +16), tr:nth-child(4) td:nth-child(16){
    background-color: yellow;
}
tr:nth-child(7) td:nth-child(16){
    background-color: plum;
}
tr:nth-child(7) td:nth-child(17){
    background-color: purple;
}


tr:nth-child(7) td:nth-child(18){
    background-color: beige;
}