body {
  background: white;
  color: black;
  font-family: system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
}

label {
  display: block;
  margin-top: 10px;
}

input,
button {
  font: inherit;
  padding: 6px 10px;
  margin-top: 6px;
}

input[type="email"],
input[type="password"],
input[type="text"] {
  display: block;
  width: 100%;
  box-sizing: border-box;
}

ul {
  list-style: none;
  padding-left: 0;
}

li {
  display: flex;               /* text on the left, Delete on the right */
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

li label {
  margin-top: 4px;
}

li.done label {
  text-decoration: line-through;
}

#message {
  min-height: 1.5em;
}