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