#naglowek {
    background-color:#2c3e50 ;
    color:#ffffff;
    text-align:center;
    padding: 30px;
    font-family: 'Arial',sans-serif;
    letter-spacing: 2px;
}

#baner {
    background-image: url('https://picsum.photos/1200/300?random=1');
    background-size:cover;
    background-position: center;
    color: #ffffff;
    text-align:center;
    padding: 60px 20px;
    text-shadow:2px 2px 4px  #000000
}

#tresc
{
    width: 100%;
    background-color: #ecf0f1;
    padding: 20px 0;
    min-height: 300px;
}

.wpis{
    width:80%;
    margin:15px auto;
    background-color: #ffffff;
    border-radius:8px;
    padding:15px 20px;
}

.wpis .autor {
    font-weight: bold;
    font-size:16px;
    color: #1a1a2e;
    margin-bottom: 2px;
}

.wpis .data {
    font-size:12px;
    color: #7f8c8d;
    margin-bottom: 10px;
}