table {
   margin: 20px auto;
   font-size: 18px;
   font-family: sans-serif;
   min-width: 800px;
   box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
   border: 1px;
 }
 

 
 td, th {
   border: 1px solid black;
   padding: 10px;
   text-align: center;
 }
 
 td:hover {
   background-color: #f5f5f5;
   cursor: pointer;
   transform: scale(1.1);
   transition: all 0.3s ease-in-out;
 }
 
 th {
   background-color: #4CAF50;
   color: #fff;
   font-weight: bold;
 }
 
 tr:hover {
   background-color: #f5f5f5;
 }
 
 a {
   display: block;
   margin: 20px auto;
   text-align: center;
   text-decoration: none;
   font-size: 20px;
   color: #4CAF50;
   font-weight: bold;
 }
 
 a:hover {
   text-decoration: underline;
   color: blue;
 }

a:visited{ 
color: blue; 
} 


@media (width < 700px) {
   *{
      text-align: center;
      margin: 0 0 0 0;

   }
   table {
     height: 100vh;
     border-collapse: collapse;
     font-weight: bold;
     font-size: 2em;
   }
}