.header {
  display: block;
  background-color: #F8F8F8;
  text-align: left;
  color: #000000;
  width: 1000px;
  margin-left: auto;
  margin-right: auto;
  font-family: tahoma, verdana, arial, sans-serif;
  font-size: 15px; 
}

.panelLogowania {
  display: block;
  width: 960px;
  height: 39px;
  background: url('http://www.24polska.pl/img/tlo1.jpg') repeat-x;
  background-color: #A1A1A1;
  padding-top: 0px;
  padding-left: 20px;
  padding-bottom: 0px;
  padding-right: 20px;
}