Element block pseudo-class :active generated with z-index auto transform width 160px border 0px rgba(0,0,0,1) solid background overflow hidden margin 0px padding 20px box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none line-height 1 transition height auto border-radius cursor default font-weight normal font-size 16px box-sizing content-box position static