.baner{
    position: relative;
    margin-left: auto;
    margin-right: auto;
    display: block;
    height: 200px;
}
.napis{
    position: absolute;
    margin-left: auto;
    margin-right: auto;
    top: -25px;
    left: 33%;
    font-size: 80px;
    color: brown;
    text-shadow: black 0.1em 0.1em 0.2em;
    
}
body{
    margin:0;
    padding: 0;
}
div{
    margin-top: 10px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    width: 300px;
    height: 200px;
    border: 2px solid brown;
    border-radius: 60px;
    text-align: center;
}
.elementy{
    height: 100px;
}
footer{
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
hr{
    width: 50%;
}
table{
    margin-left: auto; 
    margin-right: auto;
    border-collapse: collapse;
}
  td {
    border-collapse: collapse;
    text-align: center;
    height: 30px;
    border: 2px solid black;
  }
  tr {
    border-collapse: collapse;
    text-align: center;
    height: 30px;
    width: 100px;
  }
  th {
    border-collapse: collapse;
    text-align: center;
    height: 30px;
    border: 2px solid black;
  }
.gora{
    width: 100px;
    height: 100px;
    position: relative;
    margin-left: auto;
    margin-right: auto;
    display: block;
}
.lime{
    background-color: lime;
}
.yellow{
    background-color: yellow;
}
.wheat{
    background-color: wheat;
}
form{
    position: relative;
    margin: auto;
    display: block;
}
.kolo{
    list-style-type: circle;
}
.rzym{
    list-style-type: upper-roman;
}
.lista{
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}
form{
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}
legend{
text-align: center;
}
.nth{
    background-color: white;
    text-align: center;
    list-style-type: none;
    width: 100px;
}
.nth:nth-child(2n + 2) {
    background-color: red;
}