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