body{
    background: #FFD800;
}
.logo{
    text-align: center;
    margin: 20px;
    font-size: 18px;
    font-weight: bold;
}
.card{
    width: 80%;
    margin: 30px auto 0 auto;
}
.card .card-body{
    padding: 40px 0;
}