.cke_editable {
outline: 1px dashed #f78e0c!important;
overflow: hidden; /*FF fix*/
min-height: 1em;
}

.cke_editable:after {
content: ".";
display: block;
clear: both;
visibility: hidden;
line-height: 0;
height: 0;
}
html[xmlns] .cke_editable {
display: block;
}
* html .cke_editable {
height: 1%;
}