.fullscreen-preview{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center;z-index:1000}.fullscreen-preview img{max-width:90%;max-height:90%;border:2px solid white}.fullscreen-preview .close-btn{position:absolute;top:10px;right:10px;background-color:red;color:white;border:none;border-radius:50%;width:40px;height:40px;font-size:20px;cursor:pointer}