first commit

wp-content/plugins/brizy/public/static/assets/icons/editor/right-arrow-thin.svg

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+<svg id="nc_icon" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><g class="nc-icon-wrapper" fill="currentColor"><title>thin</title><path d="M5.025 16L4 15.009 11.25 8 4 .991 5.025 0l7.762 7.504a.684.684 0 0 1 0 .992L5.025 16z" fill="currentColor" fill-rule="nonzero" stroke="none" stroke-width="1"></path></g></svg>

wp-content/plugins/brizy/public/static/css/style.css

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+#brizy-root-element {
+	position: relative;
+	min-height: 400px;
+	background: #f3f3f3;
+}
+
+#brizy-root-element > .spinner {
+	display: none;
+}
+
+#brizy-root-element > .spinner:first-child:last-child {
+	display: block;
+}
+
+#brizy-root-element > .spinner,
+#brizy-root-element > .spinner:after,
+#brizy-root-element > .spinner:before {
+	content: "";
+	position: absolute;
+	top: 50%;
+	left: 50%;
+	border: 3px solid transparent;
+	border-radius: 50%;
+	animation: spin 1s linear infinite
+}
+
+#brizy-root-element > .spinner {
+	width: 100px;
+	height: 100px;
+	margin: -50px 0 0 -50px;
+	border-top-color: #2eb9d7;
+	animation-duration: 2.5s
+}
+
+#brizy-root-element > .spinner:after {
+	width: 80px;
+	height: 80px;
+	margin: -40px 0 0 -40px;
+	border-right-color: #8767bc;
+	animation-duration: 2s
+}
+
+#brizy-root-element > .spinner:before {
+	width: 60px;
+	height: 60px;
+	margin: -30px 0 0 -30px;
+	border-bottom-color: #fff
+}

wp-content/plugins/brizy/public/static/js/script.js

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+(function ($) {
+  $('body').on('click', '.brizy-public-update-button', function (e) {
+    e.preventDefault()
+    var xhr = false
+    var url = Brizy_Public_Data.url
+    var action = Brizy_Public_Data.action
+    var id = Brizy_Public_Data.id
+
+    if (xhr) {
+      return
+    }
+
+    $(this).addClass('loading')
+
+    xhr = true
+    jQuery.post(url, {
+      action: action,
+      id: id
+    }).always(function () {
+      xhr = false
+      $(this).removeClass('loading')
+    })
+  })
+})(jQuery)