@media(max-width: 992px){
	.cost_estimatorbg{background-size: cover;}
	.mission_block1, .mission_block2{width: 100%;}
	.whyuse-box {width: 400px;margin: 20px auto 0;}

}
@media(max-width: 700px){
	.requirement, .perfomance{width: 100%;float: left;}
	.proven_box {margin: 40px auto 0;}
	.proven_title{padding: 0;font-size: 18px;line-height: 30px;}
	.top_border, .bottom_border{height: 35px;}
	.cost_estimatorbg p, .cost_estimatorbg a{font-size: 16px;line-height: 22px;}
	.cost_title{font-size: 16px;}
}
@media(max-width: 500px){
	.reuire_form div:first-of-type.cost_title:after{content: none;}
}