body {
 background-color: #eeeeee;
}

@media (max-width: 768px) {
 * {
   margin: 0;
   padding: 0;
   box-sizing: border-box; 
 }

 .content {
   margin-top: 80px;
   padding-top: 20px;
   padding-left: 20px;
 }
 

}

footer {
  margin-top: 0px;
}