@import url('https://fonts.googleapis.com/css2?family=Poetsen+One&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Poetsen+One&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Edu+TAS+Beginner:wght@400..700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Bungee+Spice&display=swap');
@import url('https://fonts.googleapis.com/css?family=Muli&display=swap'); 
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}*


.body{
  background-color: cyan;
}

a {text-decoration: none;}

#boton-arriba {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: yellow;
  color: black;
  cursor: pointer;
  padding: 15px;
  border-radius: 50%;
  font-size: 30px;
  display: none; 
  transition: background-color 0.3s ease;
}

#boton-arriba:hover {
  background-color: #555;
}