#title{
font-family: 'Oswald', sans-serif;
color:Indigo;
}



#triangle{
border-top-width:200px;
border-left-width:200px;
border-style: solid;
border-color: transparent transparent transparent blue;
margin-right: 450px ;
margin-left: 400px ;
margin: 100px 500px;
}

#a{
  font-size:20px;
}


#b{
  
  font-size:20px;
}


#C{
  font-size:25px;
 color:OrangeRed;
}





body{
  text-align: center;
  font-size:20px;
  
}



body {
  padding: 20px;
}
button {
  margin-top: 20px;
  line-height: 60px;
  font-weight: bold;
  padding: 0 40px;
  background: salmon;
  border: none;
  font-size:15px;
}
button:hover {
  background: LightSeaGreen;
  font-size:20px;
}


#article {
  font-family: Arial, Helvetica, sans-serif;
  text-align: left;
  font-size: 0.9em;
  padding: 0 10% 0;
}