CSS - Responsive no funciona para IOS

@media screen and (max-width: 360px) {

  .header {

    display: flex;

    flex-direction: column;

    height: auto;}

  footer .footer-content {

    width: 100%;

    font-size: 0.9em;}

  footer {

    margin-top: 10%;}

  .presentacion {

    height: auto;}

  .presentacion .container .subInfo {

    text-align: center;}

  .copyright {

    font-size: 0.8em;}

  .suscripciones .suscripcion form {

    width: 100%;

    font-size: 0.5em}

  .suscripciones .suscripcion form .input {

    height: auto;}

    .container {

    display: inline-block;

    cursor: pointer;}

    .normalLi{

      display: none;

    }

    .bar1, .bar2, .bar3 {

    width: 35px;

    height: 5px;

    background-color: #333;

    margin: 6px 0;

    transition: 0.4s;

    }

    .change .bar1 {

    -webkit-transform: rotate(-45deg) translate(-9px, 6px);

    transform: rotate(-45deg) translate(-9px, 6px);

    }

    .change .bar2 {opacity: 0;}

    .change .bar3 {

    -webkit-transform: rotate(45deg) translate(-8px, -8px);

    transform: rotate(45deg) translate(-8px, -8px);

    }

    .dropdown-content{

      right: 0px;

    }

    .dropdown{

      display: none;

    }

    .dropdown-content a:hover {

      background: rgb(224, 34, 34);

    }

}

/* iphone 4/5 portrait */

@media screen and (min-width: 320px) and (max-width: 359px) {

/* iphone 4 landscape*/

@media screen and (min-width: 480px) and (max-width: 567px) {

/* iphone 5 landscape */

@media only screen and (min-device-width : 320px) and (max-device-width : 568px) and (orientation : landscape) {