body{
    background-color: #DDEEDD;
    font-family: Tahoma;
    text-align: center;
}

ul{
    list-style: square;
}

ul 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;
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 30px;
    padding: 10px;
}

.lewy{
    background-color: #E4C0A8;
    width: 30%;
    float: left;
    height: 650px;
}

.prawy{
    width: 70%;
    height: 650px;
    overflow: auto;
}

a{
    color: #009900;
}

table, th, td{
    border: 1px solid black;
}

table{
    margin: auto;
    margin-top: 20px;
}

img{
    width: 90%;
}