Minimal Responsive Grid System.

style.css

/**
 * Minimal Responsive Grid System.
 *
 * Usage:
 *
 *     <div class="row">
 *         <div class="unit-75">
 *             <h1>Body</h1>
 *         </div>
 *         <div class="unit-25">
 *             <h2>Sidebar</h2>
 *         </div>
 *     </div>
 *
 * Updates:
 *
 * https://gist.github.com/jbroadway/5d027fddfadabb56aff0
 */

*, *:after, *:before {
	margin: 0;
	padding: 0;
	outline: 0;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

/* attribute selector */
[class*='unit-'] {
	float: left;
	padding: 10px;
}

/* floats last '.unit-' to the right */
[class*='unit-']:last-of-type {
	padding-right: 10px;
	float: right;
}

/* clearfix */
.row:after, .row-variable:after {
	content: "";
	display: table;
	clear: both;
}

/* widths */
.unit-100 { width: 100%; }
.unit-90  { width: 90%; }
.unit-80  { width: 80%; }
.unit-75  { width: 75%; }
.unit-70  { width: 70%; }
.unit-66  { width: 66.66%; }
.unit-60  { width: 60%; }
.unit-50  { width: 50%; }
.unit-40  { width: 40%; }
.unit-33  { width: 33.33%; }
.unit-30  { width: 30%; }
.unit-25  { width: 25%; }
.unit-20  { width: 20%; }
.unit-10  { width: 10%; }
.unit-5   { width:  5%; }

/* remove padding */
.no-padding { padding: 0; }

/* desktop */
@media (min-width: 992px) {
	.row {
		width: 992px;
		margin: 0px auto 0px auto;
	}
}

@media (max-width: 991px) {
	.row { width: 100%; }
}

/* tablets */
@media (max-width: 768px) {
	.unit-10, .unit-20, .unit-25, .unit-30, .unit-33, .unit-40, .unit-50 {
		width: 50%;
		max-width 50%;
	}
	
	.unit-60, .unit-66, .unit-70, .unit-75, .unit-80, .unit-90, .unit-100 {
		width: 100%;
	}
	
	.unit-5 {
		display: none;
	}
}

/* mobile */
@media (max-width: 480px) {
	.unit-10, .unit-20, .unit-25, .unit-30, .unit-33, .unit-40, .unit-50,
	.unit-60, .unit-66, .unit-70, .unit-75, .unit-80, .unit-90, .unit-100 {
		width: 100%;
	}
	
	.unit-5 {
		display: none;
	}
}

/* bottom margins for block elements */
p, h1, h2, h3, h4, h5, h6, ul, ol {
	margin-bottom: 0.8em;
}

ul, ol {
	margin-left: 16px;
}

img {
	border: 0;
	max-width: 95%;
}

html, body {
	width: 100% !important;
	max-width: 100% !important;
	overflow-x: hidden !important;
}

/**
 * Custom Styles Below
 */