a{
    text-align:center;
    float:left;
    padding: 14px 14px;
}
a:hover{
    color:darkmagenta;
}

.content{
    width: 800px;
    background:rgba(11, 156, 49, 0.2) }
.gb_content{
    width: 800px;
    background:rgba(222, 103, 198, 0.2) }
.topnav{
    overflow:hidden;
}
body{background-color: cornflowerblue;}

h1{
    color:darkgreen
}