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