index.css

body {
    color: white;
    background-color: #21232d;
    height: 100vh;
    width: 100vw;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: row;
    justify-content: center;
}

h1, h2 {
    text-align: center;
}

.section {
    width: calc(100vw / 3);
    display: flex;
    flex-direction: column;
    margin: 10px;
}

.section input[type="text"],
.section textarea {
    background-color: #41434b;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 10px;
    padding: 5px;
    resize: none;
}

.section button {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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