.header{
    background-color:black;
    text-align:center;
    color:red;
}

.h1{
    color:darkblue;
    padding:5px 5px;
}
.h2{
    color:gold;
}
.column{
    float:left;
    padding:15px;
}
.column.left{
    
    padding:0px 10px;
    margin: 10px 10px;
    background-color:black;
    color:pink;
    text-align:center;
    width:20%;
    height: 700px;
}

.column.main{
    margin: 5px 35px;
    width:40%;
    background-color:black;
    padding:0px 5px;
    display:inline-block;
    
}
.imgs{
    float:center;
    display:inline;
    padding:50px 30px;
}
.column.right{
    height: 700px;
    background-color:black;
    color:red;
    text-align:center;
    width:25%;
    margin: 5px 20px;
  
    padding: 10px 10px;
}
.row:after{
    content:"";
    display:table;
    clear:both;
}

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;
}