*{
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    flex-direction: column;
    font-family: sans-serif;
    font-size: 30px;
}

button {
    margin: 20px 10PX;
    padding: 5px 20px;
    border-radius: 10px;
    outline: none;
    background-color: #fff;
    border: 1px solid gray;
    font-size: 18px;
    cursor: pointer;
}
button:disabled{
    cursor: auto;
}