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