body {
    background-color: #2e2e2e;
    color: #f5f5f5;
}


.banniere {
    background-image: url(../../image/banniere/banniereAccueil.jpg);
    background-size: 100%;
    background-position: center center;
    background-repeat: no-repeat;
    height: calc(100vw / 4);
    max-height: 282px;
    color: #f5f5f5;
  }