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