Element button pseudo-element :before generated with margin 10px padding 20px transform opacity 1 transition display block height auto border-radius background float none box-sizing content-box overflow visible z-index auto font-size 16px width 45px cursor default line-height normal border 0px rgba(0,0,0,1) solid font-weight normal outline none box-shadow 2px 2px 0px rgba(12,58,79,0.18) position static text-shadow