Full width description below images on the Dawn theme

main-product.liquid

{%- if product.description != blank -%}
	<div class="product__description-parent">
		<h2>Description</h2>	
		<div class="product__description product__description--custom rte">
		{{ product.description }}
		</div>
	</div>
	<style>
		@media (max-width: 749px){
			.product__description-parent{
			display: none;
			}
		}

		@media (min-width: 750px){
			.product__description:not([class*='--custom']){
			display: none;
			}
		}
	</style>
{%- endif -%}