.cosa{

	background-image: url(../imagen/b2.jpg);
	width: 100%;
	height: 500px;
	background-size: cover;
	position: relative;
	
}



.black-background {background-color: #FF8C00;} 
.white {color:#ffffff;} 

@media screen and (max-width: 600px) {
.logo-it {
  display: none;
	}
}