body {
    font-family: 'Courier New', Courier, monospace;
    background-color: #000;
    color: #0f0;
    margin: 0;
    padding: 0;
}

form {
    width: 400px;
    margin: 2em auto;
    padding: 2em;
    background: #111;
    border: 1px solid #0f0;
    border-radius: 1em;
}

label {
    margin-top: 1em;
    display: block;
    color: #0f0;
}

input, select, textarea, button {
    width: 100%;
    padding: 0.5em;
    margin-top: 0.5em;
    border: 1px solid #0f0;
    border-radius: 0.5em;
    background: #000;
    color: #0f0;
    box-sizing: border-box;
}

button {
    background-color: #0f0;
    color: #000;
    border: none;
    border-radius: 0.5em;
    cursor: pointer;
    margin-top: 1em;
}

button:hover {
    background-color: #0a0;
}

table {
    width: 80%;
    margin: 2em auto;
    border-collapse: collapse;
    background: #111;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.1);
}

th, td {
    padding: 1em;
    border: 1px solid #0f0;
    text-align: left;
}

th {
    background-color: #0a0;
    color: black;
}

a {
    display: block;
    text-align: center;
    margin-top: 1em;
    text-decoration: none;
    color: #0f0;
}

h1, h2 {
    text-align: center;
    color: #0f0;
}

.error {
    color: red;
    text-align: center;
}