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