body {
         
background-image: url("img/page1fond1.png");
      background-color:#E1E1;   
        }

.image-petit{
  width : 380px; height : 250px;
  border: none;
}
.image-ronded{
  width : 150px; height : 150px;
  border: none;
  -moz-border-radius : 75px;
  -webkit-border-radius : 75px;
  border-radius : 75px;
  filter: grayscale(1);
  -webkit-filter: grayscale(1);
  -moz-filter: grayscale(1);
  -o-filter: grayscale(1);
  -ms-filter: grayscale(1);
}
.image-ronded:hover {
  width : 150px; height : 150px;
  border: none;
  -moz-border-radius : 75px;
  -webkit-border-radius : 75px;
  border-radius : 75px;
filter: grayscale(0);
  -webkit-filter: grayscale(0);
  -moz-filter: grayscale(0);
  -o-filter: grayscale(0);
  -ms-filter: grayscale(0);
}

.element1
{
font-weight:bold;
}


p {
 display: flex;
justify-content: center;
  margin: 70px;
}


#conteneur
{
    display: flex;
justify-content: space-between;

  margin: 70px;
}

.element:nth-child(1) 
{
    
    align-self:flex-start;
}

#conteneur3
{
    display: flex;
justify-content: center;

  margin: 70px;
}

h1
{
 display: flex;
justify-content: center;
}
#conteneur2
{
    display: flex;
justify-content: center;

  margin: 70px;
}

.image-centre
{
 display: flex;
justify-content: center;
}