.bouton {
    background: #0082b5;
    color: #fff;
    border: 1px solid #eee;
    border-radius: 20px;
    box-shadow: 5px 5px 5px #eee;
    text-shadow:none;   
    width: 100%;
    height: 100px;    
    margin: 20px;    
}

.bouton:hover {
    background: #016ABC;
    color: #fff;
    border: 1px solid #eee;
    border-radius: 20px;
    box-shadow: 5px 5px 5px #eee;
    text-shadow:none;
}

.adm:hover{
    background: #d9534f;
    color: #fff;
    border: 1px solid #eee;
     border-radius: 20px;
    box-shadow: 5px 5px 5px #eee;
    text-shadow:none;
}

body {
    text-align: center;
}

form {
    margin-top: 100px;
    display: inline-block;
    width: 50%;
}

footer{
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: red;
  color: white;
  text-align: center;
}