* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.page-header {
    display: flex;
    justify-content:center ;
    padding: 28px 0;
    background: #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;
    } 
  }