fix screenshot width

Author: Kade-N

docs/style/default.css

@@ -79,6 +79,10 @@ footer {
     margin-right: 16px;
 }
 
+#lk-apps .screenshot {
+    width: 100%;
+}
+
 #easy-installer .lk-app-heading {
     background: var(--lk-installer-gradient);
     background-clip: text;