body {
    background: rgba(173, 216, 230, 0.5);
    opacity: 1;
}

#h11 {
    border-style: solid;
    border-width: medium;
    border-radius: 25px;
    padding-top: 25px;
    padding-right: 25px;
    padding-bottom: 25px;
    padding-left: 25px;
    text-align: center;
    text-shadow: 5px 5px 10px rgb(255, 0, 0);
    font-family: 'Times New Roman', Times, serif;
    margin: 0 auto 20px auto;
}

#h21 {
    border-style: solid;
    border-width: medium;
    border-radius: 25px;
    padding-top: 25px;
    padding-right: 25px;
    padding-bottom: 25px;
    padding-left: 25px;
    text-align: center;
    font-family: 'Times New Roman', Times, serif;
    margin: 0 auto 20px auto;
}