:root{--first-color:#00243d;--second-color:white;--third-color:#00c0b3;--fourth-color:#666;--five-color: #bedbf4;--sixth-color: #ffc800;--seventh-color: black}* .link{text-decoration:none;color:inherit;font-family:Cairo,sans-serif;font-weight:700}h1,h2,h3,span,p,button{font-family:Cairo,sans-serif}body{padding:0;margin:0}button{color:#fff;padding:10px 20px;border-radius:5px;border:1px solid white;cursor:pointer;background-color:transparent;font-family:Cairo,sans-serif}button:hover{background-color:var(--third-color);border-color:var(--third-color);color:var(--first-color)}ul{list-style-type:none;padding:0;margin:0}