.body {
              background:SeaShell;
          }
           table {
                border: 1px solid; 
            }
        
            th {
                width: 40px;
                height: 40px;
            }
        
            td {
                width: 40px;
                height: 40px;
            }
            .odd {
                background:lightblue;
            }
            .navbar {
                    background-color: firebrick;
                    overflow: hidden;
                }

            .navbar a {
                    float: left;
                    color: white;
                    text-align: center;
                    padding: 10px 10px;
                    text-decoration: none;
                    font-size: 17px;
                    }

            .navbar a:hover {
                        background-color: LemonChiffon;
                        color: black;
                    }

            .navbar a.active {
                    background-color: Salmon;
                    color: black;
                }
            #popup {
                background:BurlyWood;
                border: 1px solid; 
                color: white;
                min-width: 2000vh;
                height: 2000vh;
                
            }
            .button {
                background:red;
                float: left;
                Width:1
            }