_forms-custom-file.scss

/**
 * Custom file input
 *
 * <div class="form-controlGroup">
		<label class="form-label" for="file">File upload</label>

		<div class="form-controlGroup-inputWrapper">
			<label class="form-input form-input--file">
				<span class="form-input--file-text">Choose file..</span>
				<span class="form-input--file-button">Browse</span>
				<input class="form-input--file-input" type="file" id="file" accept="image/*" size="14" />
			</label>
		</div>
	</div>
 */
/**
 * Custom file input
 */
.form-input--file {
	position: relative;
	overflow: hidden;
	padding-right: 120px;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.form-input-file {
	opacity: 0;
	visibility: hidden;
	position: absolute;
	top: 0;
	left: 0;
}

.form-input--file-button {
	cursor: pointer;
	display: inline-block;
	position: absolute;
	top: 0;
	right: -1px;
	bottom: 0;
	padding: .44em 1em 0;
	background-color: lighten($input-borderColor, 5%);

	&:hover {
		background-color: $input-borderColor;
	}
}