.sf-gctui-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px,1fr));
    gap: 15px;
    margin: 20px 0;
}
.sf-gctui-item {
    position: relative;
    border: 3px solid transparent;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: 0.2s;
}
.sf-gctui-item img {
    width: 100%;
    height: auto;
    display: block;
}
.sf-gctui-item.selected {
    border-color: #29aabd !important;
    box-shadow: 0 0 12px #29aabd;
}
.sf-gctui-check {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 20px;
    height: 20px;
    background: #29aabd;
    border-radius: 50%;
    display: none;
}
.sf-gctui-item.selected .sf-gctui-check {
    display: block;
}