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

body {
  background: #eee;
  font-family: Helvetica, sans-serif;
  font-weight: 400;
  line-height: 1.2;
  color: #222;
}

.section-center {
  margin: 0 auto;
  margin-top: 5rem;
  max-width: 35rem;
  background: #fff;
  border-radius: 0.5rem;
  padding: 2rem;
  position: relative;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s linear;
}

/* alert */
.alert {
  margin-bottom: 1rem;
  height: 1.25rem;
  display: grid;
  align-items: center;
  text-align: center;
  font-size: 0.7rem;
  border-radius: 0.25rem;
  letter-spacing: 0.1rem;
  text-transform: capitalize;
}
.alert-danger {
  color: #721c24;
  background: #f8d7da;
}
.alert-success {
  color: #155724;
  background: #d4edda;
}