hr       {height:8px}
hr.gorna {color:#00BFFF; background-color:#00BFFF} /* deepskyblue */
hr#dolna {color:gray; background-color:gray}
h2       {margin:0 auto; font-family:arial; text-align:center}
p        {padding:2%; background-color:#E6E6FA} /* lavender */