list-widget.css

.library-tab-icon {
    -webkit-mask: url('library-tab-icon.svg');
    mask: url('library-tab-icon.svg');
}

.arduino-list-widget {
    color: var(--theia-ui-font-color1);
}

.arduino-list-widget .search-bar {
    margin: 0px 10px 10px 15px;
    border-color: var(--theia-border-color3);
}

.arduino-list-widget .search-filters {
    margin: 0px 10px 0px 15px;
    border-color: var(--theia-border-color3);
}

.arduino-list-widget .search-bar:focus {
    border-color: var(--theia-accent-color3);
}

.arduino-list-widget .filterable-list-container .search-filters .filter {
    margin: 0px 0px 10px 0px;
    display: flex;
}

.arduino-list-widget .filterable-list-container .search-filters .filter .title {
    margin: 0px 10px 0px 0px;
    align-self: center;
    text-transform: uppercase;
    font-size: var(--theia-ui-font-size0);
}

.arduino-list-widget .filterable-list-container .search-filters .filter > select {
    width: 100%;
}

.filterable-list-container {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    height: 100%; /* This has top be 100% down to the `scrollContainer`. */
}

.filterable-list-container .items-container {
    height: 100%; /* This has to be propagated down from the widget. */
    position: relative; /* To fix the `top` of the vertical toolbar.  */
}

.filterable-list-container .items-container > div:nth-child(odd) {
    background-color: var(--theia-layout-color0);
}

.filterable-list-container .items-container > div:nth-child(even) {
    background-color: var(--theia-layout-color1);
}

.filterable-list-container .items-container > div:hover {
    background-color: var(--theia-layout-color2);
}

/* Perfect scrollbar does not like if we explicitly set the `background-color` of the contained elements.
See above: `.filterable-list-container .items-container > div:nth-child(odd|event)`.
We have to increase `z-index` of the scroll-bar thumb. Otherwise, the thumb is not visible.
https://github.com/arduino/arduino-pro-ide/issues/82 */
.arduino-list-widget .ps__rail-y > .ps__thumb-y {
    z-index: 1;
}

.component-list-item {
    padding: 10px 10px 10px 15px;
    font-size: var(--theia-ui-font-size1);
}

.component-list-item:hover {
    background: var(--theia-accent-color4);
    cursor: pointer;
}

.component-list-item:hover .meta-info {
    color: var(--theia-ui-font-color1);
}

.component-list-item .meta-info {
    color: var(--theia-ui-font-color3);
}

.component-list-item .header {
    padding-bottom: 2px;
    display: flex;
    flex-direction: column;
}

.component-list-item .header .version-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.component-list-item .header .name {
    font-weight: bold;
}

.component-list-item .header .author {
    font-weight: bold;
    color: var(--theia-ui-font-color2);
}

.component-list-item:hover .header .author {
    color: var(--theia-ui-font-color1);
}

.component-list-item .header .version {
    color: var(--theia-ui-font-color2);
}

.component-list-item .header .installed:before {
    margin-left: 4px;
    display: inline-block;
    justify-self: end;
    background-color: var(--theia-accent-color1);
    padding: 2px 4px 2px 4px;
    font-size: 10px;
    font-weight: bold;
    max-height: calc(1em + 4px);
    color: var(--theia-inverse-ui-font-color0);
    content: 'INSTALLED';
}

.component-list-item .header .installed:hover:before {
    background-color: var(--theia-inverse-ui-font-color0);
    color: var(--theia-accent-color1);
    content: 'UNINSTALL';
}

.component-list-item[min-width~="170px"] .footer {
    padding: 5px 5px 0px 0px;
    min-height: 26px; /* 21 + 5 from the footer margin top */
    display: flex;
    flex-direction: row-reverse;
}

.component-list-item .footer {
    flex-direction: column-reverse;
}

.component-list-item .footer > * {
    display: none
}

.component-list-item:hover .footer > * {
    display: block;
    margin: 5px 0px 0px 10px;
}

.component-list-item:hover .footer > label {
    display: block;
    align-self: center;
    margin: 5px 0px 0px 10px;
}

.component-list-item .info a {
    color: var(--theia-brand-color1);
    text-decoration: none;
}

.component-list-item a:hover {
    text-decoration: underline;
}

.component-list-item strong.installed {
    color: rgb(0, 151, 157)
}