.topBar{display:flex;justify-content:space-between;background-color:#333;color:#fff;padding:10px 20px;position:sticky;top:0;z-index:1000}.topBar a{color:#fff;text-decoration:none;font-weight:700}h1,h2{color:#333;font-weight:700;font-size:20px}li,p{color:#555;margin:20px 0}section{margin-bottom:20px;background-color:#fff;padding:15px;border-radius:5px;box-shadow:0 0 10px rgba(0,0,0,.1)}ul{list-style-type:disc;padding-left:20px}