citywebshop_cms/static/trumbowyg/plugins/mention/ui/sass/trumbowyg.mention.scss

.trumbowyg-dropdown-mention {
    height: calc(75%);
    width: 300px;
    max-width: 300px;
    overflow-y: scroll;
    overflow-x: hidden;

    svg {
        display: none !important;
    }

    button {
        position: relative;
        white-space: nowrap;

        &:after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 15%;
            height: 100%;
            background-size: 100%;
            background-image: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, #ffffff 80%, #ffffff 100%);
            pointer-events: none;
        }
    }
}