footer {
  background-color: black; 
}

.footer {
  width: 100%;
  height: 250px;
}

.social-icons {
  display: flex;
  justify-content: center;
  padding-top: 25px;
}

.social-icons a {
  text-decoration: none;
  padding: 10px;
  background-color: white;
  margin: 10px;
  border-radius: 50%;
}

.social-icons a i{
  font-size: 2em;
  color: black;
  opacity: 0.9;
}

.social-icons a:hover {
  background-color: black;
  transition: 0.5s;
}

.social-icons a:hover i{
  color: white;
  transition: 0.5s;
}

.footernav {
  margin: 20px 0;
}

.footernav ul{
  display: flex;
  justify-content: center;
}

.footernav ul li {
  list-style-type: none;
}

.footernav ul li a{
  color: white;
  text-decoration: none;
  font-size: 1.3em;
  opacity: 0.7;
  transition: 0.5s;
  margin: 20px;
}

.footernav ul li a:hover {
  opacity: 1;
}

.footerbottom {
  color: white;
  text-align: center;
  padding: 20px;
}

@media (max-width: 600px) {
  .footernav ul li a{
    color: white;
    text-decoration: none;
    font-size: 15px;
    opacity: 0.7;
    transition: 0.5s;
    margin: 10px;
  }
}