body, table {
  font-family:"Helvetica-Neue",Helvetica,Arial,sans-serif;
  font-size:14px;
  background-color:#fff;
}
table#vorschautabelle td {
  width:2.26cm;
}
table#vorschautabelle, table#vorschautabelle td,  table#vorschautabelle th {
  background-color:#ffffff;
  /*width:640px;*/
  border-style:solid;
  border-width:1px;
  border-color:#666666;
  border-collapse:collapse;
}
table#vorschautabelle td.zeilennummer {
  max-width:20px;
  font-weight:bold;
  text-align:right;
  /*background-color:#ffffff;*/
  background:url(../img/menu_bg.gif);
}
table#vorschautabelle th {
  /*background-color:#ffffff;*/
  background:url(../img/menu_bg.gif);
}
ul, p {
  width:640px;
}
.nach_oben {
  vertical-align:top;
}
.nach_rechts {
  text-align:right;
}
.zentriert {
  text-align:center;
}
textarea, input[type=text] {
  font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;
  font-size:14px;
  background-color:#fff;
  line-height:18px;
  padding:2px;
  border-style:solid;
  border-color:#bebebe;
  border-width:1px;
}
textarea:hover, input[type=text]:hover {
  border-color:cornflowerblue;
}
a:focus {
  outline: thin dotted;
}
a:active, a:hover {
  outline: 0;
}
a {
  color: #428bca;
  text-decoration: none;
}
a:hover, a:focus {
  color: #2a6496;
  text-decoration: underline;
}
a:focus {
  outline: thin dotted #333;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}
span.knopf {
  border-style:solid;
  border-width:1px;
  border-color:#fff;
  display:inline-block;
  padding:2px;
  width:26px;
  height:26px;
  text-align:center;
}

span.knopf:hover {
  border-style:solid;
  border-width:1px;
  border-color:cornflowerblue;
  background-color:#DFEAF2;
  cursor:pointer;
}