.header{
    padding: 5px 5p;
    color:blue;
    text-align:center;
    background-color:black;
    padding: 30px; 
}
.h1{
    color:Gold;
}
.h2{
    color:green;
}

.column{
    float:left;
    padding: 15px;
}


.column.left{
    background-color:black;
    color:pink; 
    padding: 0px 10px;
    margin: 10px 10px;
    width: 20%;
    text-align:center;
    height:700px;
}

.column.main{
    background-color:black;
    color:red;
    text-align:center;
    margin:5px 35px;
    padding:0px 5px;
    display:inline-block;
   width:35%;
   height:700px;

}
.column.right{
    background-color: black;
    color:pink;
    text-align:center;
    margin: 5px 20px;
    width:25%;
   
    height:700px;
    
}


ul{
    list-style-type:none;
    margin:0;
    padding:0;
    overflow:hidden;
    background-color:black;
}
li{
    float:center;
    text-align:center;
}
li a{
    display:inline-block;
    color:white;
    float:center;
    text-decoration: underline;
    font-size: 20px;
}
li a:hover{
background-color:grey;
}



#navh1{
    text-align:center;
    color: darkblue;
}
.row:after{
    content: "";
    display:table;
    clear: both;
}