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wp-content/plugins/wpforms-lite/assets/css/builder/builder-overlay.min.css

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+#wpforms-builder-overlay{background:radial-gradient(50% 50% at 50% 50%, #f8f8f8 37.5%, #e8e8e8 100%);cursor:default;height:100%;min-width:0;overflow:hidden;position:fixed;z-index:100;top:0;right:0;bottom:0;left:0;-webkit-transition:opacity 0.5s ease-out;-moz-transition:opacity 0.5s ease-out;-ms-transition:opacity 0.5s ease-out;-o-transition:opacity 0.5s ease-out;transition:opacity 0.5s ease-out}#wpforms-builder-overlay.fade-out{opacity:0}.wpforms-builder-overlay-content{padding-top:20%;text-align:center}.wpforms-builder-overlay-content i{display:block;left:calc( 50% - 50px);position:absolute;top:calc( 50% - 50px)}.wpforms-builder-overlay-content i.spinner{background-image:url("../../images/builder/loading-spinner.svg");border-radius:50%;height:100px;width:100px;-webkit-animation:wpforms-spinner-rotation 0.8s linear infinite;-moz-animation:wpforms-spinner-rotation 0.8s linear infinite;-ms-animation:wpforms-spinner-rotation 0.8s linear infinite;-o-animation:wpforms-spinner-rotation 0.8s linear infinite;animation:wpforms-spinner-rotation 0.8s linear infinite}.wpforms-builder-overlay-content i.avatar{background-color:#ffffff;background-image:url("../../images/builder/loading-avatar.svg");border-radius:50%;box-shadow:0 2px 5px rgba(0,0,0,0.15);height:80px;margin:10px;width:80px}@keyframes wpforms-spinner-rotation{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}