@media all and (max-width: 500px){
	.exc_bron{
		font-size: 25px;
	}
}

@media all and (max-width: 405px){
	.exc_bron{
		font-size: 20px;
	}
}

@media all and (max-width: 340px){
	.exc_bron{
		font-size: 19px;
	}
}