Ghost/ghost/admin/app/styles/addons/ghost-editor/cardmenu.css

/* Chrome has a bug with its scrollbars on this element which has been reported here: https://bugs.chromium.org/p/chromium/issues/detail?id=697381 */
.gh-cardmenu {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    padding: 12px 15px;
    width: 350px;
    max-height: 460px;
    overflow-y: auto;
    background-color: #fff;
    background-clip: padding-box;
    border-radius: 4px;
    box-shadow: 0 0 0 1px rgba(99,114,130,0.16), 0 8px 16px rgba(27,39,51,0.08);
    text-transform: none;
    font-size: 1.4rem;
    font-weight: normal;
    position: absolute;
    z-index: 9999999; /* have to compete with codemirror */
}

.gh-cardmenu-button {
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    width: 30px;
    height: 30px;
    border: var(--midgrey) 1px solid;
    background: #fff;
    border-radius: 100%;
    margin-left: -40px;
}

.gh-cardmenu-button svg {
    height: 15px;
    width: 15px;
}

.gh-cardmenu-button svg path {
    stroke: var(--midgrey);
    stroke-width: 2px;
}

@media (max-width: 1024px) {
  .gh-cardmenu-button {
        right:10px;
  }
}

.gh-cardmenu-search {
    position: relative;
    width: 350px;
    height: 40px;
    margin: -12px -15px;
}

.gh-cardmenu-search svg {
    position: absolute;
    top: 11px;
    left: 10px;
    z-index: 100;
    width: 20px;
    height: 19px;
}

.gh-cardmenu-search-input {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    height: 40px;
    font-size: 1.4rem;
    line-height: 40px;
    padding: 10px 0 10px 40px;
    border: none;
    border-radius: 4px 4px 0 0;
}

.gh-cardmenu-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    border-radius: 4px;
}

.gh-cardmenu-icon {
    display: flex;
    align-items: center;
}
.gh-cardmenu-icon svg {
    width: 27px;
    height: 27px;
    fill: var(--darkgrey);
}

.gh-cardmenu-label {
    margin: 7px 0 0 0;
    font-size: 1.1rem;
    color: var(--midgrey);
    letter-spacing: 0.2px;
    font-weight: 200;
}

.gh-cardmenu-card:hover, .gh-cardmenu-card.selected {
    cursor: pointer;
    background: color(var(--lightgrey) l(+3%) s(-10%));
}
.gh-cardmenu-card:hover .gh-cardmenu-label, .gh-cardmenu-card.selected .gh-cardmenu-label {
    color: var(--darkgrey);
    font-weight: 300;
}

.gh-cardmenu-divider {
    top: -12px;
    width: 350px;
    padding: 5px 0;
    margin: 12px -15px;
    font-size: 1.2rem;
    text-align: center;
    background: color(var(--lightgrey) l(+3%) s(-10%));
}