Added rounded corners to inputs

Author: 125K

WiFi_Captive_Portal.ino

@@ -53,7 +53,7 @@ String header(String t) {
     "body { color: #333; font-family: Century Gothic, sans-serif; font-size: 18px; line-height: 24px; margin: 0; padding: 0; }"
     "div { padding: 0.5em; }"
     "h1 { margin: 0.5em 0 0 0; padding: 0.5em; }"
-    "input { width: 100%; padding: 9px 10px; margin: 8px 0; box-sizing: border-box; border-radius: 0; border: 1px solid #555555; }"
+    "input { width: 100%; padding: 9px 10px; margin: 8px 0; box-sizing: border-box; border-radius: 0; border: 1px solid #555555; border-radius: 10px; }"
     "label { color: #333; display: block; font-style: italic; font-weight: bold; }"
     "nav { background: #0066ff; color: #fff; display: block; font-size: 1.3em; padding: 1em; }"
     "nav b { display: block; font-size: 1.5em; margin-bottom: 0.5em; } "