.image-preview-container{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;z-index:9999}.image-preview{max-width:90%;max-height:90%}