body {
    background-color: black;
    color: antiquewhite;
    font-family: system-ui, -apple-system, BlinkMacSystemFont,
     'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
      'Open Sans', 'Helvetica Neue', sans-serif;
      

    }

    .line {
        border-top: 1px solid gray;
        display: block;
       
    }

button {
    background-color: blue;
    border-radius: 10px;
    border: none;
    padding: 2%;
}