add a vim-like command line under :

static/css/dev.css

@@ -0,0 +1,49 @@
+/* Styles for developer tools.
+   This stylesheet MUST NOT be used for modifying the appearance of elements globally.
+   If you notice that it is for whatever reason, please bonk liquidex on the head. */
+
+th-picture-upload {
+    display: block;
+
+    cursor: default;
+
+    & > .nothing-pasted {
+        border: 1px solid var(--border-1);
+        text-align: center;
+        opacity: 50%;
+        padding: 16px;
+    }
+
+    & > .have-picture {
+        & > p {
+            padding-bottom: 8px;
+        }
+
+        & > img {
+            max-height: 480px;
+        }
+    }
+
+    & > .copied-to-clipboard {
+        text-align: center;
+        padding: 16px;
+    }
+
+    /* State display */
+
+    & > * {
+        display: none;
+    }
+
+    &[data-state="init"] > .nothing-pasted {
+        display: block;
+    }
+
+    &[data-state="have-picture"] > .have-picture {
+        display: block;
+    }
+
+    &[data-state="copied-to-clipboard"] > .copied-to-clipboard {
+        display: block;
+    }
+}