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