@media screen and (max-width: 767px) {
	.services_list,.about_list{
		background-size: cover;
	}
	.derv_txt{
		padding: 0 15px;
	}
	.about_item{
		width: 100%;
	}
}
@media screen and (max-width: 500px) {
	.welcome_txt h1,.refernce_head h1{
		font-size: 36px;
	}
	.welcome_txt h2,.refernce_head h2{
		font-size: 22px;
	}
	.welcome_txt h3{
		font-size: 22px;
	}
	.logo-site a{
		width: 280px;
	}
	.logo-site a img{
		max-width: 100%;
	}
	.get_touch,.refernce_head{
		background-size: cover;
	}
	.get_txt p{
		padding: 0 15px;
	}
}
@media screen and (max-width: 400px) {
	.clients_list .col-xs-6{
		width: 100%;
	}
}