body {
  background-color: black;
  color: white;
  text-align: justify;
  font-family: Helvetica, Arial, Sans-serif;
}

#main {
  max-width: 300px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.error {
  color: red;
}

.info {
  color: green;
}

input[type="submit"], input[type="reset"], input[type="password"], input[type="text"] {
  width: 100%;
  margin: 5px 0px 5px;
}

.defautCotisation {
  color: red;
  background-color: pink;
  padding: 3px;
  border-radius: 3px;
}

.defautCotisation h1 {
  font-size: 1em;
}

@media only screen and (max-width: 1000px) {
  #main {
    width: 100%;
    margin: 0px;
    max-width: none;
  }

  input[type="submit"], input[type="reset"], input[type="password"], input[type="text"] {
    width: 100%;
    font-size: 2em;
    height: 2em;
  }
}