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gaia/apps/camera/style/confirm.css

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+
+/* this is where we display image and video previews */
+.confirm {
+  position: absolute;
+  left: 0;
+  width: 100%;
+  top: 0;
+  bottom: 0;
+  padding: 0;
+  margin: 0;
+  border-width: 0;
+  background: #000; /* opaque */
+  z-index: 100;     /* on top of all the camera stuff */
+  transition: transform var(--transition-duration) linear;
+  overflow: hidden;
+  transform-origin: 0 0;
+}
+
+.confirm.hidden {
+  display: none;
+}
+
+.confirm-media-frame {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 100%;
+  bottom: 5rem;
+  padding: 0;
+  margin: 0;
+  overflow: hidden;
+}
+
+.confirm-media-frame > .image-view {
+  top: 0;  /* javascript modifies this position with a transform */
+  left: 0;
+  position: absolute;
+  border-width: 0;
+  padding: 0;
+  margin: 0;
+  pointer-events: none;
+}
+
+.confirm-media-frame > video {
+  transform-origin: 0 0;
+}
+
+.confirm-controls {
+  position: absolute;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  height: 5rem;
+  z-index: 100; /* above the dynamically inserted frame elements */
+  padding: 0 1.5rem;
+  display: flex;
+}
+
+.confirm-controls > button {
+  height: 3.8rem;
+  -moz-margin-end: 1rem;
+  /* override shared/style/buttons.css, until strings can be shortened */
+  padding: 0 0.2rem;
+}
+
+.confirm-controls > button:last-child {
+  -moz-margin-end: 0;
+}