body, html {
    height: 100%;
}
body {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f0f2f5;
    margin: 0;
}
.card {
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.card-body {
    padding: 2rem;
}

.logo {
    display: block;
    margin: 0 auto 20px;
    width:150px;
    margin-bottom:20px
}

.container {
    margin-top: 50px;
}

.green{
    color:green;
    font-weight: bold;
}