custom-css.css

.customCssSettings {
	width: 100%;
	height: 100%;
    display: flex;
    flex-direction: column;
    
    h2 {
        margin: .2em 0 0 0;
        font-size: 1.25em;
    }

    .notes {
        flex-basis: unset;
        padding: 0;
    }
    .stylesheet-editor {
        width: 100%;
        min-height: 10px;
    }
    
    .CodeMirror {
        height: 100%;
        width: 100%;
    }

    textarea {
        font-family: 'Courier New', Courier, monospace;
        height: 100%;
        width: 100%;
    }

    button {
        margin-top: .5em;
    }

    #ccss-top {
        padding: 0;
        margin: 0;
        height: 100%;
    }

    #ccss-bottom {
        height: 75%;
    }

    #ccss-sep {
        cursor: row-resize;
        width: 100%;
        height: 10px;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
        background-color: var(--color-pf-primary);
        mask-image: linear-gradient( to right, 
          transparent, 
          transparent calc( 50% - 25px), 
          black calc( 50% - 25px),  
          black calc( 50% + 25px), 
          transparent calc( 50% + 25px),
          transparent );
        mask-size: 100% 0.3rem;
        mask-position: 0% 0%;
        mask-repeat: no-repeat;
        margin-bottom: -0.3rem;
    }
}