a{text-decoration: none;}

.web {width:1200px;
margin:0 auto; }

nav { background-color:red; 
text-align: center;
margin-top:10px;
margin-bottom:10px;
margin-left:10px;
margin-right:10px;
border-radius:5px;


}

nav ul { list-style:none;}
nav ul li { display:initial;}
nav ul li a{color:blue;
padding:5px 75px 5px 75px;
display:inline-block;
font-size:25px;}

nav ul li a:hover{
color:green;
}