.center {
	display: block;
	margin-left: auto;
	margin-right: auto;
	width:400px;height:480p;
}

footer {
	position:bottom ;
	bottom: 0;
	height: 40%;
	margin-top: 40px;
	width: 100%;
	text-align: bottom;
	
}
Button{
 display: inline-block;
  padding: 10px 20px;
  font-size: 20px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  outline: none;
  color: #fff;
  background-color: #04AA6D;
  border: none;
  border-radius: 10px;
  box-shadow: 0 9px #999;
}

Button:hover {background-color: #3e8e41}

Button:active {
  background-color: #3e8e41;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}
	
}
footer {
	position:bottom ;
	bottom: 0;
	height: 40%;
	margin-top: 40px;
	width: 100%;
	text-align: bottom;
}
	
	h6 {
	text-align: center;
}
.conteneur {
     display: grid;
    place-items: center;
    height: 50vh; /* Ajuste selon la hauteur souhaitée */
}

.alibaba {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 10vh; /* Ajuste selon la hauteur souhaitée */
}

.popolecool	{
	text-align: center;
}