html {
  height: 100%;
}

body {
  font-family: Arial;
  background-color: #c0c0c0;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

div.form-background {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

ul.flashed-messages {
  flex: 0 0 auto;
  padding: 0.5em 2em;
  background-color: #6babe0;
  border-radius: 3px;
  color: white;
  padding-inline-start: 2em;
  box-shadow: 0px 0px 6px rgba(102, 102, 102, 0.6);
}

div.login-form-spacer {
  flex: 0 1 100px;
}

form.login-form {
  flex: 0 0 auto;
  background-color: #FFF;
  padding: 1em 2em;
  border-radius: 5px;
  text-align: center;
  margin: .5em;
  box-shadow: 0px 0px 6px rgba(102, 102, 102, 0.6);
}

div.login-form-title {
  color: #777;
}

img.app-logo {
  width: 220px;
  height: 100px;
}

div.control-group {
  margin-bottom: 10px;
}

div.login-form-fields {
  margin-bottom: 2em;
}

div.login-form-fields input {
  text-align: center;
  background-color: #ECF0F1;
  outline: none;
  border: 2px solid transparent;
  border-radius: 3px;
  padding: 10px 0;
  width: 250px;
  transition: border .5s;
  font-size: 100%;
}

div.login-form-fields input:focus {
  border: 2px solid #3498DB;
}

button.button {
  border: 2px solid transparent;
  background-color: #3498DB;
  color: #ffffff;
  padding: 0.75em 0;
  text-decoration: none;
  border-radius: 3px;
  transition: 0.25s;
  width: 250px;
  cursor: pointer;
  font-size: 100%;
}

.button:hover {
  background-color: #2980B9;
}

a.login-form-link {
  text-align: left;
  font-size: 75%;
  color: #444;
  display: block;
  margin-top: 1em;
  margin-left: -0.5em;
}

div.login-hint {
  text-align: left;
}

span.footer {
  position: absolute;
  left: 0;
  bottom: 0.25em;
  width: 100%;
  text-align: center;
}