body{
  background: slateblue;
  color: slateblue;
  transition: 0.5s ease;
}
.wrapper{
  background: white;
  width: 550px;
  margin: 150px auto 15px;
  font-size: 150%;
  padding: 50px;
  font-family: Arial, Helvetica, sans-serif;
}
#quote{
  text-align: center;
}
#author{
  text-align: right;
}
#btn{
  text-decoration: none;
  padding: 10px;
  background: slateblue;
  color: white;
  text-align: center;
  font-size: 0.8em;
  border-radius: 4px; 
  float: right;
}

#tweet{
  background: slateblue;
  color: white;
  padding: 10px;
  border-radius: 4px;
}

body p{
  color: white;
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
}