.videoWrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
}
.videoWrapper_inside{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}


.element {
  margin-top: 30vh; /* poussé de la moitié de hauteur de viewport lors c'est à 50*/
  transform: translateY(-30%); /* tiré de la moitié de sa propre hauteur */
}

.img
{
max-width: 100%
}

.manifesto {
  margin: 0 auto;
  font-family: "HelveticaNeue-bold", "Helvetica Neue Bold", Helvetica, Arial, "Lucida Grande", sans-serif;
  letter-spacing: 0.2em;
  font-size: large;
  text-align: left;
  max-width: 72%;
  line-height: 1.5em;
}

.inner01 {
  background-color: black;
  color: white;
}

.inner02 {
  background-color: red;
  color: black;
}

.inner03 {
  background-color: red;
  color: white;
}


a {
  outline: none;
  text-decoration: none;
  color:#2c2c2c;
}

a:link {
  color:#2c2c2c;
  outline: none;
}

a:visited {
  color:#2c2c2c;
  outline: none;
}

a:focus {
  color:#2c2c2c;
  outline: none;
}

a:hover {
  outline: none;
  color:#2c2c2c;
}

a:active {
  color:#2c2c2c;
  outline: none;
}

main {
  background: white;
  height: 100vh;
  max-width: 800px; /* 400px de base */
  margin: 0 auto;
  padding: 1rem;
  text-align: center;
  color:#2c2c2c;
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
}

div#contenu {
  background: white;
  max-width: 800px; /* 400px de base */
  margin: 0 auto;
  padding: 1rem;
  text-align: center;
  color:#2c2c2c;
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
}