body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
    margin: 0;
}

.container {
    background: white;
    padding: 30px 20px;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    width: 350px;
    position: relative;
    z-index: 1;
    text-align: center;
}

h1 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #333333;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

label {
    margin-bottom: 5px;
    font-weight: bold;
    color: #555555;
}

input {
    margin-bottom: 15px;
    padding: 10px;
    width: 100%;
    border: 1px solid #cccccc;
    border-radius: 5px;
}

button {
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
}

button:hover {
    background-color: #0056b3;
}

#result {
    margin-top: 20px;
}

#hourly-rate {
    font-size: 24px;
    color: #007bff;
}

/* Background Animation */
body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #ff6b6b, #f8e71c, #7ed321, #50e3c2, #4a90e2, #b8e986, #d0021b);
    background-size: 400% 400%;
    z-index: 0;
    animation: gradientBackground 15s ease infinite;
}

@keyframes gradientBackground {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}