EVOLUTION-MANAGER

Edit File: spinner.css

.shiny-spinner-output-container { position: relative; } .load-container { position: absolute; top: 50%; -webkit-transform: translateY(-50%); transform: translateY(-50%); /* to avoid showing a vertical scrollbar http://stackoverflow.com/questions/38251204/horizontal-animation-causes-vertical-scrollbar-in-css */ overflow:hidden; width: 100%; } .shiny-spinner-hidden { position: absolute; top:0; left:0; z-index: -1; visibility:hidden; } .shiny-spinner-custom { text-align: center; }