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