body {
    background: linear-gradient(135deg, #c1dff7, #141C3C);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    margin: 0;
}
.card {
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
    padding: 1px;
    
}
.card-header{
    background-color: #141C3C; 
    color: #ffffff;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    padding: 10px;
    
}

.btn-primary {

    background-color: #141C3C;
    border-color: #fff;
    border-radius: 25px;
}