body{
    background-color: #ddeedd;
    font-family: Tahoma;
    text-align: center;
}
ul{
    list-style-type: square;
}
li{
    text-align: left;
}
header,footer{
    color: white;
    font-size: 120%;
    padding: 10px;
}
header{
    background-color: #409fff;
}
footer{
    background-color: #a0a0a0;
}
nav{
    background-color: #ffffff;
    word-spacing: 30px;
    padding: 10px;
    clear: both;
}
#lewy{
    background-color: #e4c0a8;
    width: 30%;
    height: 650px;
    float: left;
}
#prawy{
    width: 70%;
    height: 650px;
    overflow: auto;
}
a{
    color: #009900;
}
table,td,th{
    border: solid black 1px;
}
table{
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: auto;
}
img{
    width: 90%;
}