wiki-grav/plugins/admin/themes/grav/scss/template/_editor.scss

// Grav Editor
.grav-editor-content {
    position: relative;
}

.grav-editor {
    [data-grav-editor] {
        height: 300px;

        &.code-mirrored {
            padding: 0;
            border: 0;
            position: absolute;
            z-index: -1;
            display: block !important;
        }
    }

    .CodeMirror {
        .CodeMirror-vscrollbar, .CodeMirror-hscrollbar {
            z-index: 1;
            &:focus {
                outline: none;
            }
        }
    }

    .CodeMirror-scroll {
        //margin-right: -36px;
        position: static;

        // hide native scrollbar at the bottom
        padding-bottom: 15px;
    }

    .grav-editor-resizer {
        height: 6px;
        cursor: row-resize;
        border-radius: 0 0 3px 3px;
        position: relative;
        z-index: 1;
    }
    .CodeMirror-selected {
        background: #D6E8FF;
    }

    .CodeMirror-gutters {
        height: 100%!important;
    }
}

.grav-editor-fullscreen {
    position: fixed;
    top: 4.2rem;
    left: 0;
    bottom: 0;
    right: 0;
    z-index: 3;
    padding: 0 !important;
    margin: 0 !important;
    display: flex;
    flex-direction: column;

    .grav-editor-content {
        display: flex;
        flex-direction: column;
        flex: 1 0 0;
        overflow-y: auto;
    }

    .grav-editor-content, .CodeMirror-wrap, .grav-editor-preview {
        height: 100% !important;
    }

    .grav-editor-toolbar {
        flex: 0 0 auto;
    }

    .grav-editor-toolbar, .grav-editor-toolbar ul li:first-child a, .grav-editor-toolbar-flip ul li:last-child a {
        border-radius: 0 !important;
    }

    .grav-editor-resizer {
        display: none;
    }

    .grav-editor-content.is-active {
        display: flex;
    }
}

.grav-editor-toolbar {
    @include align-items(stretch);
    @include display(flex);
    @include flex-direction(row);

    .grav-editor-actions {
        @include flex(1);
    }
    .grav-editor-modes {
        flex-shrink: 0;
        margin-right: 2px;
        ul {
            float: right;
        }
    }
}

.grav-editor-toolbar {
    @include clearfix;

    ul {
        list-style: none;
        margin: 0;
        padding: 0;

        li {
            &:first-child a {
                border-top-left-radius: 4px;
            }
            display: inline-block;
        }

        a {
            display: inline-block;
            cursor: pointer;
            background-color: transparent;
            border-radius: 0;
            padding: 0.4rem;
            margin-top: -1px;
            border: 1px solid transparent;

            &, &:hover, &:active, &:focus {
                outline: 0;
            }
        }
    }

    .dropdown-menu li {
        width: 50%;
    }
}

.grav-editor-hide-toolbar {
    display: none;
}

.grav-editor-toolbar .grav-editor-modes {
    li {
        &:first-child a {
            border-top-left-radius: 0;
        }
        &:last-child a {
            border-top-right-radius: 4px;
        }
    }

    a {
        &:hover {
            /*border: 1px solid transparent;
            border-bottom: 1px solid darken($content-bg, 20%);*/
        }
    }
}

.grav-editor-toolbar-flip {
    float: right;
    ul li:last-child a {
        border-top-right-radius: 4px;
    }
}

.grav-editor-content, .grav-editor-preview {
    @include clearfix;
    cursor: text;
    display: none;

    &.is-active {
        display: block;
    }
}

.grav-editor-content {
    /* PADDING */
    .CodeMirror-lines {
        padding: 10px 0; /* Vertical padding around content */
    }

    &.fontsize-lg {
        font-size: 16px;

        &.fontfamily-sans {
            font-size: 18px;
        }
    }

    &.fontsize-md {
        font-size: 14px;

        &.fontfamily-sans {
            font-size: 16px;
        }
    }

    &.font-size-sm {
        font-size: 12px;

        &.fontfamily-sans {
            font-size: 14px;
        }
    }
}

#admin-main .admin-block {
    .grav-editor-preview {
        padding: 20px;
        overflow-y: scroll;
        position: relative;
        line-height: 1.5;
        background: #fff !important;
        color: #555 !important;

        //shortcode {
        //    background: #ffc;
        //    font-size: 90%;
        //}
        //
        //twig {
        //    background: #cfc;
        //    font-size: 90%;
        //}

        a {
            color: #1c90fb !important;
        }

        h1 {
            font-size: 36px;
        }

        h2 {
            font-size: 28px;
        }

        h3 {
            font-size: 22px;
        }

        h4 {
            font-size: 18px;
        }

        h5 {
            font-size: 16px;
        }

        h6 {
            font-size: 14px;
        }

        h1, h2, h3, h4, h5, h6 {
            padding: 0;
            margin: 0.5rem 0;
            border-bottom: 0 !important;
            color: #333 !important;
            font-weight: bold;
        }

        p {
            padding: 0;
            margin: 0.5rem 0 1rem;
        }

        pre {
            code {
                color: #1c90fb;
                font-size: 14px;
            }
        }

        blockquote {
            border-color: #ccc !important;
            background-color: #f0f0f0 !important;
            p {
                color: #444 !important;
            }
        }

        hr {
            border-color: #eee !important;
        }

        table {
            td, th, tr {
                border-color: #eee !important;
            }
        }

    }
}


.grav-editor-toolbar {
    [data-hint]:after {
        white-space: nowrap !important;
        max-width: 300px;
        width: auto !important;
    }

    p {
        margin-top: 10px;
        margin-bottom: 10px;
        padding-left: 20px;
    }
}