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