* {
    font-family: Helvetica;
}

body {
    margin: 0;
}

header,
footer {
    background-color: #FFD966;
    color: white;
    padding: 20px;
    text-align: center;
    text-shadow: 5px 5px 10px black;
}

footer {
    font-size: 120%;
}

main {
    display: flex;
}

#lewy {
    background-color: #FFD966;
    width: 25%;
    height: 450px;
}

#prawy {
    background-color: #C5E0B4;
    width: 75%;
    height: 450px;
    text-align: center;
    box-shadow: 0 0 15px black inset;
}

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

table {
    margin: auto;
    width: 70%;
}

ul {
    list-style: square;
    line-height: 1.5;
}

a,
h4 {
    color: seagreen;
}