body {
    margin: 0;
}

.header1 {
    position: -webkit-sticky; /* Safari */
    position: sticky;
    top: 0;
    font-family: 'Segoe UI Light';
    font-size: 25pt;
    color: gainsboro;
    background-color: black;
    text-align: left;
    padding: 20px;
}

.title {
    margin: 50px 0px 10px 0px;
    font-family: 'Segoe UI Light';
    font-size: 35pt;
    padding: 20px 20px 0px 20px;
    text-align: center;
}

.contentes {
    margin: 50px 0px 0px 0px;
    font-family: 'Segoe UI Light';
    font-size: 15pt;
    padding: 5px 25px 25px 25px;
    text-align: center;
    direction: rtl;
}

.buttons {
    margin: 5px;
    font-family: 'Segoe UI Light';
    font-size: 14pt;
    width: 300px;
    height: 75px;
    text-align: center;
}

.lables {
    font-family: 'Segoe UI Light';
    font-size: 12pt;
    width: 350px;
    height: 75px;
    text-align: center;
}