.left-button{float:left;margin-left:5px;margin-right:5px}.right-button{float:right;margin-left:5px;margin-right:5px}.course-title{margin-top:2px;margin-left:20px;padding:5px;font-weight:700}.nav-bar{align-items:center;padding-top:10px;padding-bottom:10px}.link-button{color:#000;background:#a9a9a9;border-radius:5px;margin:2px;padding:2px;text-decoration:none}.link-button:hover{text-decoration-line:underline}