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