body {
            background-color: #f9f9f9;
            font-family: Arial, sans-serif;
            color: #333;
            line-height: 1.6;
            margin: 20px; /* Marginesy strony */
            padding: 0;
        }
h1 {
            font-size: 22px;
            font-weight: bold;
            color: #5574d9;
            margin-bottom: 20px; /* Margines nagłówka */
        }
p {
            font-size: 16px;
            margin-bottom: 10px; /* Margines paragrafów */
        }
footer {
            font-size: 14px;
            color: #888;
            margin-top: 20px; /* Margines stopki */
        }
img {
max-width: 100%;
height: auto;
margin-bottom: 20px; /* Margines obrazka */
}

.mail {position: relative}
.mail:before {content: attr(data-mail-local) "@"}
.mail:after {content: attr(data-mail-domain)}