body{
    margin: 0;
    padding: 0;
    color: black;
    background-color: white;
    font-family: Arial, cursive;
    font-size: 12pt;
    width: auto;
}

h1{
    color: darkgreen;
    text-align: center;
    text-shadow: 3px 0px 3px white;
}

header{
    padding: 10px 25px;
    margin-bottom: 25px;
    height: 150px;
    background-color: lightgreen;
}

main{
    padding: 10px 15px;
    margin-bottom: 30px;
}

h2, h3{
    color: green;
}

p{
    text-align: justify;
    font-size: 12px;
}

.item {
    float: left;
    width: 150px;
    border: 1px solid black;
    background-color: lightgreen;
    font-weight: bold;
    font-size: 16px;
    text-align: center;
}

.clear {
    clear:both;
    overflow: hidden;
}

.container {
    float: left;
    width: 200px;
    height: 150px;
    font-weight: bold;
    font-size: 26px;
    text-align: center;
    border: 1px solid black;
    background-color: lightgray;
}

.bouttonvideo {
    background-color:gray;
    box-shadow: 0px 0px 0px 0px #3dc21b;
	border-radius:28px;
	border:1px solid lightgray;
	display:inline-block;
	cursor:pointer;
	color:#ffffff;
	font-family:Arial;
	font-size:17px;
	padding:16px 31px;
	text-decoration:none;
	text-shadow:0px 1px 11px #2f6627;
}

/* Source pour le générateur de bouton: https://www.bestcssbuttongenerator.com/ */
.button {
    box-shadow: 0px 0px 0px 0px #3dc21b;
	background-color:#44c767;
	border-radius:28px;
	border:1px solid #18ab29;
	display:inline-block;
	cursor:pointer;
	color:#ffffff;
	font-family:Arial;
	font-size:17px;
	padding:16px 31px;
	text-decoration:none;
	text-shadow:0px 1px 11px #2f6627;
}
.switch-button:hover {
	background-color:#5cbf2a;
}
.switch.button:active {
	position:relative;
	top:1px;
}

footer{
    background-color: lightgray;
    padding: 5px 15px;
    border-top: 1px solid;
}