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