body { font-family: sans-serif; max-width: 600px; margin: 20px auto; padding: 0px; color: #ffffff; background-color: #000000;}
textarea, input, button { width: 100%; padding: 0px; margin-bottom: 10px; box-sizing: border-box; font-family: sans-serif;}
button { cursor: pointer; background-color: #000000; color: #ffffff; border: 2px; border-color: #ffffff; font-family: sans-serif;}
button:hover { background-color: #ffffff; color: #000000; font-family: sans-serif;}
h2 {font-family: sans-serif;}
h1 {font-family: sans-serif;}
label {font-family: sans-serif;}