*{box-sizing:border-box;}
html{
    font-family: Verdana;
}
body{
    background-color: #F0EAE2;
}
header,footer{
background-image:url(cegla.jpg);
height: 60px;
color:white;
text-align:center;  
}
nav{
    background-color: #824555;
    width: 80%;
    height:60px;
    float: left;
}
aside{
    width:20%;
    height:560px;
    text-align:right;
    overflow:hidden;
    float:right;
}
aside img{
    width:100%;
}
#lewa,#srodek{
    width:40%;
    height:500px;
    float:left;
}
h2{
    text-align:center;
}
a{
    color: #F0EAE2;
    padding:left;
    font-size: 180%;
}
a:hover{
    color:white;
}
footer{
    clear:both;
}
#pkt1{
    list-style-image: url(cegla.jpg);
    list-style-position: inside;
}
ul{
    list-style-type:decimal-leading-zero;
    text-align:right;
    list-style-position:inside;
}
#pkt2{
    list-style-type:circle;
    text-align:center;
    list-style-position:inside;
}
#pkt3{
    list-style-type:upper-roman;
}