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