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library/froala_editor_2.9.0/css/plugins/quick_insert.css

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+/*!
+ * froala_editor v2.9.0 (https://www.froala.com/wysiwyg-editor)
+ * License https://froala.com/wysiwyg-editor/terms/
+ * Copyright 2014-2018 Froala Labs
+ */
+
+.clearfix::after {
+  clear: both;
+  display: block;
+  content: "";
+  height: 0;
+}
+.hide-by-clipping {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  border: 0;
+}
+.fr-quick-insert {
+  position: absolute;
+  z-index: 2147483639;
+  white-space: nowrap;
+  padding-right: 5px;
+  margin-left: -5px;
+  -webkit-box-sizing: content-box;
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
+}
+.fr-quick-insert.fr-on a.fr-floating-btn svg {
+  -webkit-transform: rotate(135deg);
+  -moz-transform: rotate(135deg);
+  -ms-transform: rotate(135deg);
+  -o-transform: rotate(135deg);
+}
+.fr-quick-insert.fr-hidden {
+  display: none;
+}
+.fr-qi-helper {
+  position: absolute;
+  z-index: 3;
+  padding-left: 16px;
+  white-space: nowrap;
+}
+.fr-qi-helper a.fr-btn.fr-floating-btn {
+  text-align: center;
+  display: inline-block;
+  color: #222222;
+  -webkit-opacity: 0;
+  -moz-opacity: 0;
+  opacity: 0;
+  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
+  -webkit-transform: scale(0);
+  -moz-transform: scale(0);
+  -ms-transform: scale(0);
+  -o-transform: scale(0);
+}
+.fr-qi-helper a.fr-btn.fr-floating-btn.fr-size-1 {
+  -webkit-opacity: 1;
+  -moz-opacity: 1;
+  opacity: 1;
+  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
+  -webkit-transform: scale(1);
+  -moz-transform: scale(1);
+  -ms-transform: scale(1);
+  -o-transform: scale(1);
+}