.custom-back-btn {
    top: 1rem;
    right: 1rem;
    z-index: 1030;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.custom-back-btn:hover, 
.custom-back-btn:focus {
    background-color: #0056b3; /* slightly darker blue */
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    transform: translateY(-2px);
    text-decoration: none;
}

.account-card {
    margin-top: 0 !important;
    padding-top: 0 !important;
}