.bannier{
  width: 100%;
  height: 100vh;
  background: url("../image/bannier.jpg")no-repeat center/cover;
  position: relative;
}
nav{
  box-shadow: 0 4px 4px rgba(0, 0, 0, 0.496);
}
.mycard{
  width: 600px;
  height: 300px;
  display: block;
  object-fit:cover;
 
}

.paralax{
  background: linear-gradient(rgba(0,0,0,0.5)), url("../image/paralax.jpg")no-repeat center/cover;
  background-attachment: fixed;
  padding: 200px 0;
  color: white;
  text-align: center;
 

}

.contact{
  width: 60%;
  padding: 20px 0;

}