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