@media screen and (max-width: 768px) {
	.back{
		    object-fit: cover;
		    min-height: 100vh;
	}
	.line1{ 
		width: 70%;
	}
	.left1{ 
		width: 30%;
		left: 25%;
	}
	.right1{ 
		width: 30%;
		left: 75%;
	}
}