/* Footer */
footer {
  background-color: #252A2E;
  color: #fff;
  padding: 50px 0 30px 0;
  text-align: center;
  position: relative;
  width: 100%;
}

footer .redes {
  margin-bottom: 20px;
}

footer .redes a {
  color: #fff;
  display: inline-block;
  text-decoration: none;
  border: 1px solid #fff;
  border-radius: 100%;
  width: 42px;
  height: 42px;
  line-height: 42px;
  margin: 40px 5px;
  font-size: 20px;
  transition: .3s;
}

footer .redes a:hover {
  background-color: #1cb698;
}

footer .arriba {
  display: block;
  width: 50px;
  height: 50px;
  background-color: #1CB698;
  color: #fff;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -25px;
  border-radius: 50%;
  line-height: 50px;
  font-size: 18px;
  text-decoration: none;
}