body {
    font-family: 'Times New Roman', Times, serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #ffffff;
}

.main-box {
    border: 2px solid #3366cc;
    padding: 25px 35px;
    width: 580px;
    background-color: #fff;
}

h2 {
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.form-group {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 20px;
}

.form-group label {
    width: 110px;
    font-weight: normal;
}

.form-group input[type="text"],
.form-group input[type="number"] {
    flex: 1;
    font-size: 18px;
    padding: 3px 6px;
    border: 1px solid #767676;
    border-radius: 2px;
    font-family: inherit;
}

.pos-group input {
    max-width: 200px;
}

.btn-container {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.btn-row {
    display: flex;
    gap: 6px;
    justify-content: center;
    width: 100%;
}

button {
    font-family: inherit;
    font-size: 17px;
    padding: 4px 10px;
    background-color: #f0f0f0;
    border: 1px solid #767676;
    border-radius: 3px;
    cursor: pointer;
    color: #000;
}

button:hover {
    background-color: #e0e0e0;
}