body {
    background-color: #f8f9fa;
}

.container {
    padding-top: 50px;
}

.card {
    max-width: 500px;
    margin: 0 auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.card-img-top {
    max-width: 50px; /* Adjust this value based on your design */
    height: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.form-group {
    margin-bottom: 20px;
}

.input-group {
    position: relative;
    width: 100%;
}

.input-group-append {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    border: 1px solid #ced4da;
    border-left: 0;
}

.btn-link {
    padding: 0;
    color: #007bff;
    background-color: transparent;
    border: 0;
}

.text-center p {
    margin-bottom: 0;
}