.bleu {
	font-size: 36px;
	color: blue;
	text-shadow: 0 0 0.6em black;
	font-weight: bolder;
}

.blanc {
	font-size: 36px;
	color: white;
	text-shadow: 0 0 0.6em black;
	font-weight: bolder;
}

.rouge {
	font-size: 36px;
	color: red;
	text-shadow: 0 0 0.6em black;
	font-weight: bolder;
}

h1 {
	text-align: center;
}

.btncours {
  background: #6ee0ff;
  text-decoration: none;
}

section a {
	color: black;
}