.mce-tinymce.mce-container.fullscreen { position: fixed; top: 0; height: 100%; width: 825px; max-width: 100%; margin-left: -$-s; box-shadow: 0 0 4px 2px rgba(0, 0, 0, 0.08); } .mce-tinymce { .mce-panel { background-color: #FFF; } .mce-btn { background-color: #FFF; } } .mce-container-body.mce-flow-layout { text-align: center; } .edit-area.flex > div > .mce-tinymce.mce-container.mce-panel { flex: 1 1 auto; display: flex !important; flex-direction: column; align-items: stretch; margin: 0 -1px; > .mce-container-body { flex: 1 1 auto; display: flex !important; flex-direction: column; align-items: stretch; > .mce-toolbar-grp { flex: 0 1 auto; } > .mce-edit-area { flex: 1 1 auto; display: flex !important; flex-direction: column; align-items: stretch; iframe { flex: 1; } } } }