h1{
    text-align: center;
    background-color: aqua;
}

h2{
    text-align: center;
    background-color: aqua;
}

.pierwsze{
    display: block;
    text-align: center;
}

.drugie{
    text-align: center;
}

.trzeci{
    text-align: center;
}

ul{
    display: flex;
    flex-direction: row;
    text-align: center;
}
.zadania{
    text-align: center;
}

body{
    background-image:linear-gradient(white, black, red)
}

p{
    background-color: blanchedalmond;
}

.guziol {
    background-color: white;
    border: 2px solid black;
    color: black;
    padding: 15px 30px;
    text-align: center;
    display: inline-block;
    font-size: 20px;
    margin: 2px 5px;
    cursor: pointer;
    }

    .strony{
        display:inline-block
    }