.page-teaching-tools .section-classroom-intro .image-left-device {
	background-image: url("/ph/education/k12/home/images/teaching-tools/keep_lessons_fun_macbook__bmgywgwrljv6_large.png");
}

@media (-webkit-min-device-pixel-ratio: 1.5), (min-resolution: 144dpi), only screen and (-webkit-min-device-pixel-ratio: 1.5), only screen and (min-resolution: 1.5dppx) {
	.page-teaching-tools .section-classroom-intro .image-left-device {
		background-image: url("/ph/education/k12/home/images/teaching-tools/keep_lessons_fun_macbook__bmgywgwrljv6_large_2x.png");
	}
}

@media only screen and (max-width: 1068px) {
	.page-teaching-tools .section-classroom-intro .image-left-device {
		background-image: url("/ph/education/k12/home/images/teaching-tools/keep_lessons_fun_macbook__bmgywgwrljv6_medium.png");
	}
}

@media only screen and (max-width: 1068px) and (-webkit-min-device-pixel-ratio: 1.5), only screen and (max-width: 1068px) and (min-resolution: 1.5dppx), only screen and (max-width: 1068px) and (min-resolution: 144dpi) {
	.page-teaching-tools .section-classroom-intro .image-left-device {
		background-image: url("/ph/education/k12/home/images/teaching-tools/keep_lessons_fun_macbook__bmgywgwrljv6_medium_2x.png");
	}
}

@media only screen and (max-width: 734px) {
	.page-teaching-tools .section-classroom-intro .image-left-device {
		background-image: url("/ph/education/k12/home/images/teaching-tools/keep_lessons_fun_macbook__bmgywgwrljv6_small.png");
	}
}

@media only screen and (max-width: 734px) and (-webkit-min-device-pixel-ratio: 1.5), only screen and (max-width: 734px) and (min-resolution: 1.5dppx), only screen and (max-width: 734px) and (min-resolution: 144dpi) {
	.page-teaching-tools .section-classroom-intro .image-left-device {
		background-image: url("/ph/education/k12/home/images/teaching-tools/keep_lessons_fun_macbook__bmgywgwrljv6_small_2x.png");
	}
}