*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

li {
  list-style-type: none;
}

.container {
  text-align: center;
  padding: 1em;
}

body {
  background-color: #fff;
  color: #333;
  font: 1em / 1.4 Helvetica Neue, Helvetica, Arial, sans-serif;
  padding: 1em;
  margin: 0;
}

ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5em;
  border-radius: 3px;
  gap: 1em;
}

button {
  font-size: 1.2rem;
  margin: 0 auto;
  padding: 1rem 2.5rem;
  cursor: pointer;
  font-weight: bold;
  height: 2.5em;
  width: 100%;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  letter-spacing: 1px;
  text-transform: uppercase;
  background-color: #333;
  color: #fff;
}

input[type='email'],
input[type='text'],
input[type='password'] {
  display: flex;
  border: 1px solid #333;
  border-radius: 3px;
  font-family: inherit;
  font-size: 1.5rem;
  padding: 0.5em;
}

#email:invalid {
  border-color: #900;
  background-color: #fdd;
}

input:focus:invalid {
  outline: none;
}

/* This is the style of our error messages */
.error-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.error {
  width: 50%;
  padding: 1em;
  margin: 0.25em;
  font-weight: bold;
  font-size: 1rem;
  text-align: center;
  color: white;
  background-color: #900;
  border-radius: 5px;
  visibility: hidden;
}

.msg {
  width: 50%;
  padding: 1em;
  margin: 0.25em;
  font-weight: bold;
  font-size: 1rem;
  text-align: center;
  color: #333;
  border-radius: 5px;
  visibility: hidden;
}

.error.active {
  display: inline-block;
  visibility: visible;
  padding: 0.3em;
}

.msg.active {
  display: inline-block;
  visibility: visible;
  padding: 0.3em;
}

.inactive {
  pointer-events: none;
  opacity: 0.5;
  background: #ccc;
}