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