style.css

*{
        margin:0px;
        padding: 0px;
        list-style: none;
        text-decoration: none;
      }
      body{
        font-family: sans-serif;
        overflow: hidden;
        background-color:cornsilk;
        
      }
      nav{
        height: 60px;
        background: #063247; /*color*/
        box-shadow: 0 3px 15px rgba(0,0,0,.4);
      }
      nav .name{
        color: white;
        font-size: 30px;
        font-weight: bold;
        line-height: 60px;
        padding-left: 40px;
      
      }
      nav ul{
        float:right;
        margin-right:300px;
      }
      nav ul li{
        position: relative;
        display: inline-block;
      }
      nav ul li a{
        color: white;
        display: block;
        padding: 0 25px;
        line-height: 60px;
        font-size: 20px;
        background: #063247;
        transition: .5s;
      }
      
      nav ul li a:hover{
        color: #23dbdb;
      }
      nav ul ul{
        position: absolute;
        top:60px;
        border-top: 3px solid #23dbdb;
        opacity: 0;
        visibility: hidden;
      }
      nav ul li:hover > ul{
        top: 60px;
        opacity: 1;
        visibility: visible;
        transition: .3s linear;
      }
      nav ul ul li{
        width:230px;
        display: list-item;
        position: relative;
        border: 1px solid #042331;
        border-top: none;
      }
      .container{
          
              
        width: 1350px;
        height:475px;
        
        background-color: white;
        margin-top: 100px;
        margin-left:auto;
        margin-right:auto;
        align-content: center;
        display:grid;
        grid-template-columns: repeat(54,25px);
        grid-template-rows: repeat(19,25px);
        
      
      }
      .block{
        
        border: 0.005px solid rgb(189, 188, 188);
        transition-duration:.4s;
        text-align: center;
        font-style: italic;
      
      
      }
      
      .vis{
        background-color: rgb(83, 176, 252);
      }
      .wall{
        background-color: #06263b;
      }
      .start{
        background-color:rgb(3, 184, 3);
      
      }
      .end{
        background-color: red;
      }
      .start_hov:hover{
        background-color: rgb(3, 184, 3);
      }
      .end_hov:hover{
        background-color: red;
      }
      .path{
        background-color: #ffff45;
        
      
      }