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