#col-container { max-width: 800px; margin-left: auto; margin-right: auto; } .heightfit{ height:120px; } gradio-app{ background: rgb(153,0,255); background-image: radial-gradient(circle, rgba(153,0,255,1) 0%, rgba(9,15,121,1) 96%, rgba(2,0,36,1) 100%) !important; height: 100%; width: 100%; }