body {
    background-color: lightseagreen;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 50%;
    margin: auto;
}

button {
    width: 50%;
    padding: 10px;
    margin: 5px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
}