.password-card{background-color:#f9f9f9;color:#333;padding:20px;border:1px solid #ddd;border-radius:10px;box-shadow:0 0 10px rgba(0,0,0,.1)}@media (prefers-color-scheme:dark){.password-card{background-color:#333;color:#f9f9f9;border:1px solid #555;box-shadow:0 0 10px rgba(0,0,0,.5)}}