I`ve edited-prepared new default.css
It`s very simple but maybe will for someone useful.

Have a nice day.

regards
Branislav

/* default formatting */
body {
  margin:3px;
  color:black;
  background-color:white;
  font-family:verdana,tahoma,sans-serif;
  /* background-image:url(elog.gif); */
}

/* standard link colors and decorations */
a:link { color:#000000; text-decoration:none }
a:visited { color:#606060; text-decoration:none }
a:hover { color:#FF0092; text-decoration:underline }
a:active { color:#FF0092; text-decoration:underline }
a:focus { color:#FF0092; text-decoration:underline }

td {
  color:black;
  font-size:12px;
}

/* frame table */
.frame {
  width:100%;
}

/* printable frame table */
.pframe {
  width:600px;
}

/* standard formatting for logbook tabs */
.tabs {
  font-family:sans-serif;
  font-size:10pt;
  background-color:white;
}

/* logbook selection page */
.selframe {
  width:60%;
  background-color:#486090; 
  border:1px solid #486090;
  font-size:10pt;
}

.seltitle {
  border:1px solid #486090;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#ffffff;
  color:#486090;
  text-align:center;
}

.selexp {
  border:1px solid #0000FF;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#CCCCFF;
  color:#486090;
  text-align:left;
  font-size:10pt;
}

.selspace {
  width:2%;
  border:1px solid #308000;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#EEEEEE;
}

.selgroup {
  border:1px solid #308000;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#00ffff;
  padding:3px;
  text-align:left;
  font-weight:bold;
  font-size:14pt;
}

.sellogbook {
  border:1px solid #486090;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#ffffff;
  padding:3px;
  text-align:left;
  font-weight:normal;
}

.selcomment {
  font-size:8pt;
}

.selentries {
  background-color:#ffffff;
  border:1px solid #486090;
  border-top:1px solid white;
  border-left:1px solid white;
  text-align:center;
  font-size:10pt;
}

/* unselected and selected group tabs */

.gtab a {
  background-color:#B0E0B0;
  padding-left:5px;
  padding-right:5px;
}

.gtab {
  background-color:#B0E0B0;
  border-right:1px solid #409040;
}

.sgtab a {
  color:white;
  padding-left:5px;
  padding-right:5px;
}

.sgtab {
  background-color:#486090;
  color:white;
  border-right:1px solid #084070;
}

.sgtab a:visited { color:white; } /* bug for IE */

/* unselected and selected logbook tabs */

.ltab a {
  background-color:#EEEEEE;
  padding-left:5px;
  padding-right:5px;
}

.ltab {
  background-color:#EEEEEE;
  border-top:1px solid white;
  border-left:1px solid white;
  border-right:1px solid gray;
}

.sltab a {
  background-color:#486090;
  color:white;
  padding-left:5px;
  padding-right:5px;
}

.sltab {
  background-color:#486090;
  color:white;
  border-left:1px solid #EEEEEE;
  border-right:1px solid #084070;
}

.sltab a:visited { color:white; } /* bug for IE */

/* logbook title, left, middle and right cell */

.title1 {
  padding:5px;
  background-color:#486090;
  border-bottom:1px solid black;
  border-left:1px solid #EEEEEE;
  color:#486090;
  font-size:small;
  font-family:sans-serif;
  text-align:left;
}

.title1 a:visited { color:#A0FFA0; }
.title1 a:link { color:#A0FFA0; }

.title2 {
  background-color:#486090;
  border-bottom:1px solid black;
  color:white;
  font-size:xs-small;
  font-family:sans-serif;
  text-align:right;
}

.title3 {
  border-bottom:1px solid black;
  border-right:1px solid black;
  background-color:#486090;
  text-align:right;
  width:100px;
}

/* main menu row */

.menuframe {
  border:1px solid #486090;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#EEEEEE;
  height:29px;
}

.menu1 {
  text-align:left;
  font-size:10pt;
  vertical-align:middle;
}

.menu1a {
  text-align:center;
  width:110px;
  font-size:10pt;
  font-weight:bold;
  vertical-align:middle;
}

.menu2a {
  text-align:left;
  font-size:10pt;
}

.menu2b {
  text-align:right;
  font-size:10pt;
}

.menu3 {
  text-align:left;
  font-size:8pt;
  font-weight:bold;
}

.menu4 {
  text-align:right;
  font-size:10pt;
  vertical-align:middle;
}

.menucenter {
  border:1px solid #486090;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#EEEEEE;
  text-align:center;
  font-size:10pt;
}

.toolframe {
  border:1px solid #486090;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#EEEEEE;
  padding:2px;
}

/* frame table in listings */
.listframe {
  border:1px solid #0000FF;
  border-top:1px solid white;
  border-left:1pc solid white;
  background-color:#486090;
  border:0px;
}

/* title row in listing */
.listtitle {
  border:1px solid #000000;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#EEEEEE;
  font-size:10pt;  
  font-weight:normal;
  text-align:center;
  width:0%;
}

.listtitle2 {
  border:1px solid #000000;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#EEEEEE;
  font-size:10pt;  
  font-weight:normal;
  text-align:center;
  width:100%;
}

.listtitle3 {
  border:1px solid #000000;
  border-top:1px solid white;
  border-left:1px solid white;
  background-color:#EEEEEE;
  text-align:center;
  width:0%;