header{
    text-align: center;
    display: block;
    border-bottom: solid grey 2px;
    padding: 2%;
}
h3{
    text-align: center;
}
.card{
    margin: 5% 25% 5% 25%;
    padding: 5% 0% 5% 0%;
    text-align: center;
    width: 50%;
}
#password{
    margin: 5%;

}