body{
	background-size: cover;
	font-family: arial;
}

ul{
   margin: 0;
   padding: 0;
   list-style: none;
   }
   
ul li{
     float: left;
	 width: 129px;
	 heigth: 80px;
	 background-color: black;
	 opacity: .9;
	 line-heigth: 80px;
	 text-align: center;
	 font-size: 26px;
	 }     
ul li a{
     text-decoration: none;
	 color: white;
	 display: block;
	 }

ul li a:hover{
      background-color: lightsalmon;
	  
	  }
ul li ul li{
      display: none;
	  }
	  
ul li:hover ul li{
	  display: block;
	  }