.customCssSettings {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.customCssSettings h2 {
    margin: .2em 0 0 0;
    font-size: 1.25em;
}
.customCssSettings .notes {
    flex-basis: unset;
    padding: 0;
}
.customCssSettings .stylesheet-editor {
    display: flex;
    flex-grow: 1;
    flex-shrink: 0;
    flex-basis: 250px;
    overflow: hidden;
}
.customCssSettings .stylesheet-editor .CodeMirror {
    height: 100%;
    width: 100%;
}
.customCssSettings textarea {
    font-family: 'Courier New', Courier, monospace;
    height: 100%;
    width: 100%;
}
.customCssSettings button {
    margin-top: .5em;
}