Style a progress bar to be 100% of our window.

style.css

/* Progress Bar
--------------------------------------------- */

.progress-bar {
	position: fixed;
	top: 0;
	left: 0;
	height: 5px;
	width: 100%;
	background: #f5f5f5;
	border-bottom: 1px solid #eee;
	z-index: 9998;
}

.progress-bar-inner {
	content: "";
	position: fixed;
	height: 5px;
	width: 0;
	max-width: 100%;
	background: #30D152; /* The color of our progress bar */
	left: 0;
	top: 0;
	z-index: 9999;
}