@media all and (max-width: 900px) {

	.ap-wrapper{
		width: 95%;
		margin-left: 5%;
		margin-right: 5%;
		margin-top: 16px;
	}

	.ap-wrapper-left{
		float: none;
    	width: auto;
    	overflow: hidden;
	}

	.ap-wrapper-right{
		float: none;
    	width: auto;
    	margin-top: 0px;
    	overflow: hidden;
    	padding-top: 30px;
	}

	.ap-ebooks-wrapper-column{
		-webkit-column-count: auto;
		-webkit-column-gap: normal;
		-webkit-column-fill: balance;
		-moz-column-count: auto;
		-moz-column-gap: normal;
		-moz-column-fill: balance;
		column-count: auto;
		column-gap: normal;
		column-fill: balance;
	}

	.ap-ebook-column{
		-webkit-column-break-inside: auto;
		-moz-column-break-inside: auto;
		column-break-inside: auto;
	}

}