Un composant chevauchant d'autres dans l'application react.js

login_area {
  /* background: #f6f5f7; */
  background-image: url("../../images/Authentication/photo-1.jpeg");
  background-repeat: no-repeat;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  font-family: "Montserrat", sans-serif;
  height: 100vh;
  /* margin: -20px 0 50px; */
}
Dangerous Duck