body {
    background-color:#ccc;
}

div.container {
	background-color:white;
	border: 1px dotted; 
	width: 80%;
	margin-left: auto;
	margin-right: auto;
	padding: 10px;
}

div.lien-assistance {
    position: relative;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.bouton {
    border: none;
    color: white;
    padding: 30px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 28px;
    margin: 4px 2px;
    border-radius: 24px;
    transition-duration: 0.4s;
    -webkit-transition-duration: 0.4s; /* Safari */
    cursor: pointer;
}

.bouton-bleu {
    background-color: rgb(0, 0, 255);
}

.bouton-rouge {
    background-color: rgb(255, 0, 0);
}

.bouton:hover {
    background-color: #4CAF50;
}

div#passwords {
    font-size: 9px;
    text-align: center;
}