.bx-core-adm-dialog textarea,
.bx-core-adm-dialog input,
.bx-core-adm-dialog select {
    line-height: normal !important;
}

.adm-workarea * {
    box-sizing: content-box;
}
.adm-workarea .bxhtmled-split-btn-r {
    height: 30px;
}