i.mce-i-icon {
    font: 400 20px/1 dashicons;
    padding: 0;
    vertical-align: top;
    speak: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin-left: -2px;
    padding-right: 2px
}
.mce-abs-layout .mce-textbox {
	max-width: 300px;
}