Element button pseudo-class :active generated with position static font-weight normal height auto display block transform padding 20px width 160px box-sizing content-box border-radius border 0px rgba(0,0,0,1) solid float none cursor default font-size 16px text-shadow -1px -1px 0px rgba(255,255,255,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto transition margin 0px overflow hidden line-height 1 background