header{
background-color: rgba(30, 137, 157);
color: white;
font-family: 120%;
height: 100px;
    }
h1{
text-align:right;
clear: both;
}
#lewa{
background-color: rgba(58, 159,178);
width: 20%;
height: 550px;
float: left;
}
#prawa{
background-color: rgba(58, 159,178);
width: 20%;
height: 550px;
float: right;
}
#srodek{
background-color: rgba(143, 212, 225);
width: 60%;
height: 550px;
float: right;
}
h3{
    color: white;
}
img{
	float:left;
}