#form_container {
	padding: 15px 15px;
	margin-top: 15px;
	background: rgba(0, 0, 0, 0.5);
	color: #fff;
}
.upload-btn-wrapper {
	position: relative;
	overflow: hidden;
	display: inline-block;
}
.upload-btn-wrapper input[type=file] {
	font-size: 100px;
	position: absolute;
	left: 0;
	top: 0;
	opacity: 0;
}