--- a/examples/common/default/default.css	Sun Dec 04 10:36:33 2022 +0859
+++ b/examples/common/default/default.css	Sun Dec 04 16:59:59 2022 +0859
@@ -1,6 +1,13 @@
 /*
  * Default CSS definitions
  */
+@media print {
+    div.blogcomment, div.blogcomment *, div.topmenu,
+    table.bloghead button {
+	display: none
+    }
+    a {text-decoration: none;}
+}
 body {background: #eff; margin: 2px; padding: 6px;}
 h2, h3, hr {clear: both;}
 *.warn {color: red;}
@@ -222,54 +229,56 @@
 body.grouphome p.groupimg img {
     max-width: 380px; max-height: 380px;}
 
-div.fold {margin-top: 1em; border-top: 1px solid black; padding-top: 1em;}
-div.noborder {border: 0px; margin: 0;}
-div.fold > div {
+@media screen {
+  div.fold {margin-top: 1em; border-top: 1px solid black; padding-top: 1em;}
+  div.noborder {border: 0px; margin: 0;}
+  div.fold > div {
     xxdisplay: none; max-height: 80%; overflow: auto;
     height: 0px; opacity: 0; padding: 0 1ex;
-}
-div.fold input[type="checkbox"]:checked ~ div,
-div.fold input[type="radio"]:checked ~ div {
+  }
+  div.fold input[type="checkbox"]:checked ~ div,
+  div.fold input[type="radio"]:checked ~ div {
     display: block; background: #fadede;
     height: auto; opacity: 1.0; transition: 1s;
-}
-input.fold + label + *.folded {opacity: 0; display: none; hight: 0;}
-input[type="checkbox"].fold:checked + label + *.folded {
-    opacity: 1.0; transition: 2s;
-}
-input[type="checkbox"].fold:checked + label + div.folded {
-    display: block; hight: auto; transition: 2s;
-}
+  }
+  input.fold + label + *.folded {opacity: 0; display: none; hight: 0;}
+  input[type="checkbox"].fold:checked + label + *.folded {
+      opacity: 1.0; transition: 2s;
+  }
+  input[type="checkbox"].fold:checked + label + div.folded {
+      display: block; hight: auto; transition: 2s;
+  }
 
-/* fold2!! */
-div.foldtabs {
-    position: relative; height: 5em; margin-top: 1em;
-    border-top: 1px solid black; padding-top: 1em;
-}
-div.foldtabs > div {
-    position: absolute; top: 2.5em; opacity: 0.0; background: pink;
-    margin: 2px; overflow: auto;
+  /* fold2!! */
+  div.foldtabs {
+      position: relative; height: 5em; margin-top: 1em;
+      border-top: 1px solid black; padding-top: 1em;
+  }
+  div.foldtabs > div {
+      position: absolute; top: 2.5em; opacity: 0.0; background: pink;
+      margin: 2px; overflow: auto;
+  }
+  div.foldtabs input[type="radio"] {display: none;}
+  div.foldtabs input[type="radio"]:checked + label + div {
+      display: block; opacity: 1.0; transition: 0.2s; width: 100%;
+      margin: 0; z-index: 2;
+  }
+  div.foldtabs > label {
+      border: 1px outset #ddd; background: #ddd; xbackground: pink;
+      border-top-left-radius: 0.8em; border-top-right-radius: 0.8em;
+      margin: 0;
+      padding: 0.2ex 0.5em; height: 3em;
+  }
+  div.foldtabs > input:active + label {background: white;}
+  div.foldtabs input:checked + label {
+      background: pink; border: pink 1px solid; border-bottom-width: 6px;
+  }
+  div.foldtabs input:checked + label:last-of-type {border-width: 1px;}
+  input[type="checkbox"] + label + input[type="submit"] {display: none;}
+  input[type="checkbox"]:checked + label + input[type="submit"] {
+      display: inline;}
+  div.foldtabs p {margin: 0;}
 }
-div.foldtabs input[type="radio"] {display: none;}
-div.foldtabs input[type="radio"]:checked + label + div {
-    display: block; opacity: 1.0; transition: 0.2s; width: 100%;
-    margin: 0; z-index: 2;
-}
-div.foldtabs > label {
-    border: 1px outset #ddd; background: #ddd; xbackground: pink;
-    border-top-left-radius: 0.8em; border-top-right-radius: 0.8em;
-    margin: 0;
-    padding: 0.2ex 0.5em; height: 3em;
-}
-div.foldtabs > input:active + label {background: white;}
-div.foldtabs input:checked + label {
-    background: pink; border: pink 1px solid; border-bottom-width: 6px;
-}
-div.foldtabs input:checked + label:last-of-type {border-width: 1px;}
-input[type="checkbox"] + label + input[type="submit"] {display: none;}
-input[type="checkbox"]:checked + label + input[type="submit"] {
-    display: inline;}
-div.foldtabs p {margin: 0;}
 
 /* ToDo List CheckBox inspired by https://cultureacademia.jp/webcreate/303/ */
 input.s4-checkbox {display: none;}	/* Do not show real checkbox */