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