Element button pseudo-element :before generated with position static margin 0px outline none width 90px height 0px padding 5px background z-index auto transform overflow hidden float left 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 border-radius box-sizing content-box line-height 1 transition cursor default opacity 1 font-weight normal border 0px rgba(0,0,0,1) solid display block