.mce-container .mce-widget.mce-btn button:not(:hover):not(:active):not(.has-background){border-color:transparent;background:0 0;background-image:initial;background-position-x:0;background-position-y:0;background-size:initial;background-repeat-x:initial;background-repeat-y:initial;background-attachment:initial;background-origin:initial;background-clip:initial;background-color:initial}