/** iphone 4 **/
@media only screen
and (device-width: 320px)
and (device-height: 480px)
and (-webkit-device-pixel-ratio: 2) {
    header .share-icon {
        /*margin-top: 2%!important;*/
        margin-top: -15px !important;
    }
    header .search-menu {
        margin-top: 2%!important;
    }
}

/** iphone 5 **/
@media only screen
and (device-width: 320px)
and (device-height: 568px)
and (-webkit-device-pixel-ratio: 2) {
    header .share-icon {
        /*margin-top: 2%!important;*/
        margin-top: -15px !important;
    }
    header .search-menu {
        margin-top: 2%!important;
    }
}

/** iphone 6 **/
@media only screen
and (device-width: 375px)
and (device-height: 667px)
and (-webkit-device-pixel-ratio: 2) {
    header .share-icon {
        margin-top: 3% !important;
    }
    header .search-menu {
        margin-top: 3%!important;
    }
}

/** iphone 6 plus **/
@media screen and (device-width: 414px) and (device-height: 736px) and (-webkit-device-pixel-ratio: 3) {
    header .share-icon {
        margin-top: 3% !important;
    }
    header .search-menu {
        margin-top: 3%!important;
    }
}