@media (max-width: 999px) {
.mar_auto{
  width:98%
}

}
@media (max-width: 768px) {
.parallax {
    min-height: 1500px;
}
	.service-box {
    max-width: 300px;
    margin: 15px auto;
}
	section.gray-bg {
    padding: 30px 0;
}
}
@media (max-width: 450px) {

}