jordangray

/// Get the UIColor corresponding to a CSS hex color code (RGB[A] or RRGGBB[AA])
///
/// - Parameter hex: A hexadecimal representation of the colou
/// - Returns: The UIColor represented by the hexidecimal color code, or UIColor.clear if parsing failed
func colorFromHexString (hex:String) -> UIColor {

    // Remove padding, leading hash symbol etc.
    let hex = hex.trimmingCharacters(in: NSCharacterSet.alphanumerics.inverted)

    // Get numeric representation

jordangray

/**
 * Move in a circle without wrapper elements
 * Idea by Aryeh Gregor, simplified by Lea Verou
 */

@keyframes rot {
	from {
		transform: rotate(0deg)
		           translate(-150px)
		           rotate(0deg);