styles.css

.mod_board {
    display: flex;
    flex-flow: row nowrap;
    align-items: flex-start;
    margin-bottom: 30px;
    padding-bottom: 10px;
    overflow-x: auto;
    padding-left: 6px;
    padding-right: 6px;
}

.mod_board .board_column {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    flex-basis: 200px;
    min-width: 200px;
    background: #eaeaea;
    margin: 12px 4px;
    border-radius: 0.5em;
}

.mod_board .board_column.board_column_empty {
    flex-basis: 60px;
    min-width: 60px;
    max-width: 60px;
}

.mod_board .board_column_header {
    margin: 10px 5px 0 5px;
    padding: 10px;
    font-size: 1.1em;
    font-weight: 800;
    position: relative;
}

.board_column_header .mod_board_column_name {
    float: left;
    overflow: hidden;
    text-overflow: ellipsis;
    width: calc(100% - 20px);
}

.board_column_header .mod_board_column_sort {
    float: left;
    width: 20px;
    margin-top: 5px;
}

.mod_board_editablecolumn .board_column_header .mod_board_column_name,
.board_column_header .mod_board_column_sort {
    cursor: pointer;
}

.mod_board .board_column_content,
.mod_board .board_column_newcontent {
    margin: 2px 4px;
}

.mod_board .board_column_content {
    min-height: 10px; /* for sortable on empty columns */
}

.mod_board .board_button {
    cursor: pointer;
    border-radius: 5px;
    margin: 0 4px 8px;
    background: #fbfbfb;
}

.mod_board .board_button:hover {
    background: #fff;
}

.mod_board .board_column_empty .board_button {
    margin: 5px;
}

.mod_board .board_button .button_content {
    text-align: center;
    font-weight: 800;
    font-size: 1.2em;
    padding: 5px;
}

.board_column_empty .board_button .button_content {
    font-size: 1.5em;
}

.mod_board .board_column_header .mod_board_remove {
    position: absolute;
    top: 3px;
    right: 5px;
    color: #333;
    cursor: pointer;
}

.mod_board .mod_board_rating {
    color: #333;
    margin-top: 10px;
    padding: 2px 8px 0 0;
}

.mod_board .mod_board_editablenote .mod_board_rating {
    right: 25px;
}

.mod_board .mod_board_remove:hover,
.mod_board .mod_board_remove:focus,
.mod_board .mod_board_rating:hover,
.mod_board .mod_board_rating:focus {
    opacity: 0.8;
}

.mod_board .mod_board_note_content {
    margin: 4px 4px 8px;
    position: relative;
    padding: 8px;
    background: #fbfbfb;
    border-radius: 0.2em;
}

.mod_board .mod_board_note_border {
    border-top: 1px solid lightgray;
    padding-bottom: 10px;
}

.mod_board_editablenote .mod_board_note_content {
    cursor: pointer;
}

.mod_board .mod_board_note_content .mod_board_note_text {
    font-size: 0.9em;
}
.mod_board .mod_board_editablenote .mod_board_note_text,
.mod_board .mod_board_rateablenote .mod_board_note_text {
    min-height: 18px;
}
.mod_board .mod_board_note_content .mod_board_note_heading {
    min-height: 22px;
    line-height: 22px;
    width: 100%;
    padding-bottom: 5px;
    font-weight: 600;
}
.mod_board .mod_board_note_content .mod_board_note_heading > textarea {
    border: 0;
    padding: 0;
    margin: 0;
}
.mod_board .mod_board_note_content .mod_board_note_attachment {
    padding-top: 10px;
    margin: 0;
}
.mod_board .mod_board_note_content .mod_board_note_attachment .mod_board_file {
    line-height: 1.2;
}
.mod_board .mod_board_note_content .mod_board_preview {
    padding-top: 5px;
    border-top: 1px solid lightgray;
    margin-top: 10px;
    width: 100%;
    overflow-wrap: break-word;
}
.mod_board .mod_board_note_content .mod_board_preview.mod_board_notext {
    padding-top: 0;
    border-top: 0;
    margin-top: 0;
}

.mod_board .mod_board_note_content .mod_board_preview .mod_board_preview_element {
    width: 100%;
}
.mod_board .mod_board_note_content .mod_board_preview.wrapper_image .mod_board_preview_element {
    max-width: 100%;
    margin: auto;
    display: block;
    width: auto;
}
.mod_board .mod_board_note_content .mod_board_preview.wrapper_youtube {
    padding-top: 0;
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
}
.mod_board .mod_board_note_content .mod_board_preview iframe.mod_board_preview_element {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.mod_board_editablenote .mod_board_note_content:hover,
.mod_board .board_button:hover,
.mod_board_editablenote .mod_board_note_content:focus,
.mod_board .board_button:focus {
    background: #fff;
}

.path-mod-board  .mod_board_note_buttons {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.path-mod-board .mod_board_attachment_button {
    text-align: center;
    border: 3px solid lightblue;
    background: lightblue;
    padding: 8px 15px;
    font-size: 150%;
    cursor: pointer;
    display: inline-block;
    margin: 0 2px;
}
.path-mod-board .mod_board_attachment_button.selected {
    border: 3px solid blue;
}
.mod_board .mod_board_spacer_button {
    width: 10px;
}

.path-mod-board  .mod_board_attachment_button:hover,
.path-mod-board  .mod_board_attachment_button:focus {
    opacity: 0.8;
}

.mod_board .mod_board_note_attachment .mod_board_type {
    width: auto;
}

.mod_board .mod_board_note_attachment .mod_board_type_icon {
    font-size: 20px;
    padding: 4px 3px;
    border: 1px solid lightgray;
}

.mod_board .mod_board_note_attachment .mod_board_with_type_icon {
    flex: 1;
    max-width: initial;
}
.mod_board .mod_board_remove_attachment {
    position: relative;
    width: 100%;
    text-align: right;
}

.mod_board .mod_board_remove_attachment .mod_board_remove_attachment_button {
    padding: 3px;
    margin-right: 2px;
    color: #333;
    cursor: pointer;
}

.delete_note {
    padding: 2px 8px 0;
}