@media (max-width: 991px) {
.carousel-caption{
background:rgba(255,255,255,0.7);
}
}
@media (max-width: 767px) {
h1{font-size:24px; line-height:30px;}
}

@media (max-width: 480px) {
.carousel-caption h1 {
font-size: 24px;
line-height:30px;
}
}