* { 

  margin: 0;
  padding: 0;
  box-sizing: 0;
}

.page-header {

  display: flex;
  justify-content: center;
  padding: 28px 0 ;
  background-color:  #000000;

}

.header-logo {
  display: block;
}

.main-banner {
  width: 100%;
}

@media screen and (max-width: 414px) {
  .main-banner-desktop {
      display: none;
  }
}

@media screen and (min-width:415px) {
  .main-banner-mobile {
    display: none;
  }
}