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