main.css

@media only screen and (min-width: 768px) {
     
    #title {
        float: left;
    }
 
    nav {
        float: right;
        width: 38%;
    }
  
    #main article {
        float: left;
        width: 57%;
    }
 
    #main aside {
        float: right;
        width: 38%;
    }
}