neiyou_user_web/public/assets/examples/css/uikit/panel-portlets.css

.grid-stack-item-content {
  font-size: 20px;
  color: #526069;
  text-align: center;
  background: white; }
  .grid-stack-item-content .fa {
    display: block;
    margin: 20px 0 10px;
    font-size: 64px; }