.intro_actu {font-size: 1.2em;}
		h2 {font-size: 1.8em; padding: 25px 0 5px;}
		#btn-back-to-top {
		  position: fixed;
		  bottom: 10px;
		  right: 10px;
		  display: none;
		}
		.gradient-background {
		  background-image: linear-gradient(25deg, #d64c7f, #ee4758 50%);
		}
		.gradient-background-b {
		  background-image: linear-gradient(to right, #870000, #190a05);
		}