body {
    margin: 0;
    min-height: 100vh;

    font-family: Segoe UI, sans-serif;

    background-color: #f8fafc;

    display: flex;
    justify-content: center;
    align-items: center;
}

.content-container {
    width: 90%;
    max-width: 700px;

    background: white;

    padding: 40px;

    text-align: center;

    border-radius: 20px;

    box-shadow: 0 10px 30px rgba(0,0,0,.1);
}

button {
    padding: 12px 20px;
    margin: 5px;

    border: none;

    border-radius: 10px;

    background: #2563eb;
    color: white;

    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}

input {
    padding: 12px;
    width: 200px;

    border-radius: 10px;

    border: 1px solid #ccc;
}

.fixed-pencil {
    position: fixed;

    left: -60px;
    bottom: 10px;

    width: 180px;

    transform: rotate(310deg);

    pointer-events: none;
}