body {
  font-family: Arial,sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4
}

header {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 1em 0
}

header a {
  color: #fff;
  text-decoration: none;
  margin: 0 15px
}

.navbar {
  background-color: #333;
  overflow: hidden
}

.navbar a {
  float: left;
  display: block;
  color: #fff;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none
}

.navbar a:hover {
  background-color: #ddd;
  color: #000
}

.navbar .icon {
  display: none
}

@media screen and (max-width:600px) {
  .navbar a:not(:first-child) {
    display: none
  }

  .navbar a.icon {
    float: right;
    display: block
  }
}
@media screen and (max-width:600px) {
  .navbar.responsive {
    position: relative
  }

  .navbar.responsive .icon {
    position: absolute;
    right: 0;
    top: 0
  }

  .navbar.responsive a {
    float: none;
    display: block;
    text-align: left
  }
}

main {
  text-align: center;
  margin-top: 50px
}

form {
  display: inline-block;
  text-align: left;
  border: 1px solid #ddd;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 4px 8px rgba(0,0,0,.1)
}

form button,
form input,
form label {
  display: block;
  margin-bottom: 15px
}

#password-status {
  display: inline-block;
  vertical-align: middle;
  margin-left: 10px
}

#password-status img {
  width: 20px;
  height: 20px;
}