*{
  margin: 0;
  padding: 0;
}

body{
   padding-bottom: 60px;
  text-align: center;
  font-family: 'Roboto', sans-serif;
  background-color: darkblue;
  color: white;
}

header{
  margin: 4%;
  text-decoration: underline;
}

main{
  margin: 4%;
}

button{
  margin: 2%;
  padding: 10px 20px;
  border-radius: 20px;
  background-color: white;
  color: darkblue;
  font-weight: bold;
  border-color: darkblue;
  transition: 0.2s ease;
}
button:hover{
  filter: brightness(170%);
  box-shadow: 0 0px 10px 5px black;
}

button:active{
  opacity: 0.5;
}

footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  
  background-color: #111;
  color: #fff;
  
  text-align: center;
  padding: 10px 0;
  
  font-size: 14px;
  font-family: 'Poppins', sans-serif;
}

footer p {
  margin: 3px;
}