html,body{font-family:Tahoma,sans-serif}body{background:#1c242d}body,p,h1,h2,h3,h4{margin:0}h1,h2,h3{margin:20px 0;text-align:center;color:#fff}ul{list-style-type:none}a{text-decoration:none;transition:opacity .3s ease}a:hover{opacity:.6}.loader{display:flex;justify-content:center;margin:20px 0}