body {
  background:#f6f6f6;
  font-family:Arial, sans-serif;
}

.lab {
  max-width:420px;
  margin:40px auto;
  background:white;
  padding:20px;
  border-radius:10px;
  box-shadow:0 0 10px rgba(0,0,0,0.1);
}

button {
  padding:10px;
  margin-top:10px;
  width:100%;
  cursor:pointer;
}

input, textarea, select {
  width:100%;
  padding:8px;
  margin-top:5px;
}