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