first commit

calcom/packages/embeds/embed-core/src/loader.css

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+@keyframes loader {
+  0% {
+    transform: rotate(0deg);
+  }
+
+  25% {
+    transform: rotate(180deg);
+  }
+
+  50% {
+    transform: rotate(180deg);
+  }
+
+  75% {
+    transform: rotate(360deg);
+  }
+
+  100% {
+    transform: rotate(360deg);
+  }
+}
+
+@keyframes loader-inner {
+  0% {
+    height: 0%;
+  }
+
+  25% {
+    height: 0%;
+  }
+
+  50% {
+    height: 100%;
+  }
+
+  75% {
+    height: 100%;
+  }
+
+  100% {
+    height: 0%;
+  }
+}
+
+.loader-inner {
+  vertical-align: top;
+  display: inline-block;
+  width: 100%;
+  animation: loader-inner 2s infinite ease-in;
+}
+
+.loader {
+  display: block;
+  width: 30px;
+  height: 30px;
+  position: relative;
+  border-width: 4px;
+  border-style: solid;
+  -webkit-animation: loader 2s infinite ease;
+  animation: loader 2s infinite ease;
+}
+
+.loader.modal-loader {
+  margin: 60px auto;
+}