diff --git a/tools/Base64/new/old.index.html b/tools/Base64/new/old.index.html
index ea8f41f..e7d5e68 100644
--- a/tools/Base64/new/old.index.html
+++ b/tools/Base64/new/old.index.html
@@ -8,11 +8,11 @@
     <h1 style="color: #ffffff;">Encode/decode data to base64</h1>
     <form>
         <label style="color: #ffffff;">Input data</label><br>
-        <textarea value="" rows="6" cols="80" id="input" required></textarea><br>
+        <textarea style="background: #343538;" value="" rows="6" cols="80" id="input" required></textarea><br>
         <button class="button" style="--color:#1e9bff;"type="button" onclick="doencode();">Encode</button>
         <button type="button" style="--color: #ff1867;" class="button" onclick="dodecode();">Decode</button><br>
         <label style="color: #ffffff;">Output</label><br>
-        <textarea id="output" rows="6" cols="80" readonly></textarea><br>
+        <textarea style="background: #343538;" id="output" rows="6" cols="80" readonly></textarea><br>
         <button type="button" id="copy" onclick="docopy();">Copy</button>
     </form>