body{
    font-family: bookman, serif;
}
nav{
    background-color: blueviolet;
    padding: 10px;
    text-align: right;
}
#lewy{
    float:left;
    width: 25%;
}
#srodek{
    float:left;
    background-color: ghostwhite;
    text-align: center;
    height: 500px;
    width: 40%;
}
#prawy{
    float:left;
    width: 35%;
}
footer{
    clear:both;
}
header, footer{
    background-color: indigo;
    color: white;
    padding: 10px;
    text-align: center;
}
#lewy, #prawy{
    background-color: lavender;
    height: 500px;
}
img{
    float: right;
    width: 50%;
    padding: 10px;
}
p{
    color: white;
    font-size: 150%;
    font-style: italic;
}
table, form{
    margin: 30px;
}
table, tr, td{
    border: 1px solid indigo;
    border-collapse: collapse;

}
th, td{
    padding: 3px;
}