body {
    font-family: Calibri, Arial, Helvetica, sans-serif;
    font-size: 1.3rem;
    background-color: #5090a3;
}

a{
    text-decoration: none;
    color:#ddd;
}

a:visited{
    color:#ddd;
}

a:hover{
    color:cyan;
}



.ceas {
    padding: 10px;
    margin: auto;
    margin-top: 5rem;
    border-width: 1px;
    border-style: solid;
    border-color:#ddd;
    border-radius: 12px;
    text-decoration: none;
    font-weight:700;
    max-width: 420px;
    align-items: center;
    text-align: center;
    background-color: #397b8f;
}