body {
    margin: 0;
    background-image: url(img1.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

header {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(13, 23, 78);
    color: white;
    
}

#logo {
    
    max-width: 850px;
    max-height: 850px;
    width: 650px;
    height: 650px;
}

#information {
    color: rgb(119, 29, 125);
    background-color: white;
}

#menu {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
}

a {
    text-decoration: none;
}

footer {
    position: fixed;
    bottom: 0px;
    width: 100%;    
    background-color: rgba(13, 23, 78);
    background-size: cover;
    color: white;
}

.bouton {
    font-size: 20px;
    width: 100%;
    height: 50px;
    background-color: blue;
}

form {
  margin: 0 auto;
  width: 400px;
  padding: 1em;
  border: 1px solid #ccc;
  border-radius: 1em;
  background-color: rgba(13, 23, 78);
}

form ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

form li + li {
  margin-top: 1em;
}

label {
  display: inline-block;
  width: 90px;
  text-align: right;
}

input,
textarea {
  font: 1em sans-serif;
  width: 300px;
  box-sizing: border-box;
  border: 1px solid #999;
}

input:focus,
textarea:focus {
  border-color: #000;
}

textarea {
  vertical-align: top;
  height: 5em;
  resize: vertical;
}

.button {
  padding-left: 90px;
  margin-left: 0.5em;
  justify-content: center;
}