body {overflow: auto;}
#strona {position: absolute; left: 0; right: 0; top: 0; bottom: 0; 
    margin: auto; width: 100%; height: 100%; 
    font-family: "Noto Serif", serif, normal;}
#obraz_w_tle {border: none; padding: 0; margin: 0; 
    position: absolute; width: 100%; height: 100%;}
#iksik {float: right; cursor: pointer; color: inherit;
    font-size: larger; font-weight: 500;
    border: none; margin-right: -5px; margin-top: -10px; margin-left: 3px;}
#alercik_o_prawach {position: absolute; left: 30%; top: 30%;
    background-color: rgba(255,255,255,0.7); 
    box-shadow: 9px 9px #39302E; visibility: hidden; 
    font-size: large; font-weight: bold; color: #CC0000;
    border: solid 3px; padding: 15px; z-index: 3;}
#szanuj {position: relative; float: right; cursor: pointer;
    font-size: small; border: solid 1px; padding-left: 4px;
    padding-right: 4px; margin-top: 6px;}
#prawa_i_kontakt {position: absolute; left: 10px; bottom: 10px; 
    text-align: left; font-size: 0.75em; color:inherit;}
#cofnij {position: absolute; z-index: 2; margin: 7px;
    color: inherit; font-size: smaller; font-weight: bold;}
 .info_o_cofnij {width: 17ch; background-color: #222222; color: #FFFFFF;
                border-top-right-radius: 55px;
                border-bottom-right-radius: 55px;
                border-bottom-left-radius: 55px;
                padding: 1ch 2ch 1ch 1ch;
                font-size: 0.7em; font-style: italic; text-align: right;
                position: absolute; top: 4ch; left: 95%;
                z-index: 2; opacity: 0; transition: opacity 1s 0.5s ease;}
 #cofnij:hover .info_o_cofnij {opacity: 0.8;}
 .info_o_cofnij::after {content: "do strony głównej";}
#okienko {position: absolute; height:auto; visibility: hidden;
    font-size: 0.75em; font-weight: bold; 
    padding 10px; border: solid 2px #332200; z-index: 2;}
#wersja_testowa {position: absolute; color: #CC0000;
	padding: 0; margin: 0; font-size: 1em; font-weight: bold;}
 #wersja_testowa::after {
   content: "*** w e r s j a \02007 t e s t o w a (jeszcze przez chwilę) ***";}