@img-preview-bg-color: linear-gradient(180deg,rgba(0,0,0,0.7) 0%,rgba(0,0,0,0.3) 20%, rgba(51,51,51,0.4) 100%);
@img-preview-btn-bg-color: rgba(0,0,0,0.3);
@img-preview-btn-hover-bg-color: rgba(0,0,0,0.4);