.module1 {
			width: 100%;
			position: relative;
			margin-top: 4rem;
			overflow: hidden;
		}

		.module1_solution {
			width: 84%;
			overflow: hidden;
			margin: 2% auto;
		}

		.module1_solution img {
			float: left;
			width: 31%;
		}

		.article_text {
			float: left;
			width: 60%;
			margin-left: 2rem;
			margin-top: 1.5rem;
		}

		.article_text p {
			font-size: .6rem;
			padding-top: 2em;
			line-height: 1.5rem;
		}

		.module2,
		.module3 {
			margin-top: 2rem;
			width: 100%;
			position: relative;
			overflow: hidden;
		}

		.module2_solution,
		.module3_solution {
			width: 84%;
			overflow: hidden;
			margin: 2% auto;
		}

		.module2_box {
			margin-top: 2%;
			overflow: hidden;
			width: 100%;
		}

		.module2_box li {
			width: 25%;
			float: left;
			text-align: center;
		}

		.module2_box p {
			padding-top: 2rem;
		}

		.module2_box img {
			margin: 0 auto;
			width: 30%;
		}
		.module3_solution_suc img{
			width: 68%;
			margin: 2rem auto;
		}
		.module2_box a:link{
			color: black;
		}
		.module2_box a:visited{
			color: black;
		}
		.module2_box a:hover{
			color: dodgerblue;
		}
@media screen and (max-width: 901px) {
        .article_text{margin-top:0;}
		.article_text p{padding-top:.5rem;}


}