body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    overflow: auto; /* Add overflow:auto; to enable scrolling if the content exceeds the container */
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 5px;
}

input, button {
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background-color: #007bff;
    color: #fff;
    cursor: pointer;
}

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

.tiles {
    display: flex;
    flex-wrap: wrap; /* Allow tiles to wrap to the next row */
    justify-content: center;
    margin-top: 20px; /* Add some margin between rows */
}

.tiles button {
    flex-basis: calc(50% - 20px); /* Set each tile to take up 50% of the container width (minus margins) */
    margin-bottom: 20px; /* Add margin between tiles */
    padding: 20px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

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

a {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

input[type="number"] {
    max-width: 50px;
}

.arrow-up {
    color: green;
    font-size: 48px; /* Adjust the font size as needed */
    line-height: 1.2; /* Adjust line height for better vertical alignment */
    font-weight: bold; /* Make the arrow thicker */
}