body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #4facfe, #00f2fe);
    color: #fff;
    text-align: center;
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-container {
    width: 300px;
    padding: 20px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

input {
    padding: 10px;
    margin-right: 5px;
    border: none;
    border-radius: 5px;
    outline: none;
}

button {
    padding: 10px;
    border: none;
    background-color: #ff6b6b;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}