/* Small devices (landscape phones, 576px and up) */
 
 @media (min-width: 576px) {
     #main {
         margin-left: 0;
     }
     .sidenav {
         width: 0;
     }
 }
 /* Medium devices (tablets, 768px and up) The navbar toggle appears at this breakpoint */
 
 @media (min-width: 768px) {
     #main {
         margin-left: 0;
     }
     .sidenav {
         width: 0;
     }
 }
 /* Large devices (desktops, 992px and up) */
 
 @media (min-width: 992px) {
     #main {
         margin-left: 215px;
     }
     .sidenav {
         width: 215px;
     }
 }
 /* Extra large devices (large desktops, 1200px and up) */
 
 @media (min-width: 1200px) {
     #main {
         margin-left: 215px;
     }
     .sidenav {
         width: 215px;
     }
 }