/* formatowanie dla strony www podstaw elektrotechniki */
body {
	/*background-image: url(amper.jpg);*/
	background-attachment: scroll;
	color: black;
	margin-left: 20px;
	margin-top: 20px;
	margin-right: 20px;
    margin-bottom:5px;
}

header {  /*nagłówek*/
    background-image: url("../amper.jpg");
    background-color: lightblue;
	padding: 30px; /*margines wewnętrzny*/
	text-align: center;
	font-size: 57px;
	color: black; /*kolor czcionki*/
    border-style: solid; border-width: 1.5px; /*ramka*/
    border-color: black;
}

/* Create two columns/boxes that floats next to each other */
nav {
  float: left;
  width: 0%;
  background: none;
  padding: 0px;
  font-size: 17px;
  font-variant-caps:small-caps;
  line-height: 22px;  /* interlinia */
  height: 200px;
}
#strona_glowna {
    font-size: 22px;
    text-align: center;
    line-height: 20px;  /* interlinia */
    padding: 10px; /* margines wewnętrzny */
    background-color: lightgray;
    height: auto;
    margin-left: 0px;
}
    
#link {
    background-color: white;
    color: black;
    text-align: center;
    font-variant: small-caps;
    font-size: 26px;
    line-height: 16px;  /* interlinia */      
    height: auto; 
}    
    
#powrot {
    padding: 10px; /* margines wewnętrzny */
    font-variant: small-caps;
    }    
    
   .sg {/*tło dla aktualnej strony*/
   background-color: gray;
   }