flex ancestors error

_carusele.scss

main.pose .center{
    background-color: white;
    width: 320px - 43px; // Iphone 5
    height: 662px;
    display: flex;
    flex-direction: column;
    margin: auto;
    margin-top: 28px;
    border-radius: 3px;
    position: relative;

    & a.center{
        flex: 1 100;
        margin-top: 0px;
        padding: 0px;
        display: block;
        width: auto;
        height: auto;
        max-width: 320px - 43px;
        max-height: 370px;
    }

    & img{
        // https://stackoverflow.com/questions/12991351/css-force-image-resize-and-keep-aspect-ratio
        padding: 0px;
        margin: 0px;
        display: block;
        width: auto;
        height: auto;
        max-width: 320px - 43px;;
        max-height: 370px;
    }
   
    & .text{
        flex: 100 1;
        display: block;
        border-top: 1px solid rgb(225,227,235);
        padding-top: 15px;
        padding-left: 25px;
        @include regular;
        font-size: 14px;
        line-height: 27px;
    }

}


// Iphone 6
@media (min-width: 374px) {
    main.pose .center{
        width: 371px - 43px;
        height: 662px;
        & a.center{
            max-width: 371px - 43px;
            max-height: 370px;
        }
    
        & img{
            max-width: 371px - 43px;
            max-height: 370px;
        }
    }
}


// Iphone 6+ 
@media (min-width: 413px) {
    main.pose .center{
        width: 371px;
        height: 662px;
        & a.center{
            max-width: 371px;
            max-height: 370px;
        }
    
        & img{
            max-width: 371px;
            max-height: 370px;
        }
    }
}

main.scss

main.main{
    overflow-y: auto; 
    flex: 1 1 auto;
    background-color: rgb(244,245,249);
    display: block;
    &::-webkit-scrollbar-track
    {
        /*-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);*/
        background-color:rgba(244, 245, 249, 1);
    }
    
    &::-webkit-scrollbar
    {
        width: 2px;
        background-color:rgba(244, 245, 249, 1);
    }
    
    &::-webkit-scrollbar-thumb
    {
        background-color: #c5c6c9;
    }
}
main.guide, main.profile, main.pose{
    overflow-y: auto; 
    flex: 1 1 auto;
    background-color: rgb(244,245,249);
    padding-top: 11px;
    padding-left: 11px;
    padding-right: 0px;
    display: block;
    &::-webkit-scrollbar-track
    {
        /*-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);*/
        background-color:rgba(244, 245, 249, 1);
    }
    
    &::-webkit-scrollbar
    {
        width: 2px;
        background-color:rgba(244, 245, 249, 1);
    }
    
    &::-webkit-scrollbar-thumb
    {
        background-color: #c5c6c9;
    }
    &  div.img, & img{
        margin: 0px 5px 5px 0px;
    }
    & img{
        width: 190px;
        height: 190px;
    }
    &  div.img{
        display: inline-block;
        padding: 0px;
        vertical-align:top;
        text-align: center;
        background-size: cover;
        background-position: center;
        width: 190px; // Hard code for iPhone6+, latter rewrite by JS
        height: 190px; // Hard code for iPhone6+, latter rewrite by JS
    }
}

main.profile {
    padding-top: 11px;
    padding-left: 11px;
    padding-right: 11px;
    display: flex;
}

main.pose{
    padding-top: 0px;
    padding-left: 0px;
    padding-right: 0px;
    overflow-x: hidden;
}




.main > .set{
    width: 100%;
    background-color: white;
    margin: 12px 0px;
    padding: 25px 15px 12px 23px;
    border-radius: 5px;
    position: relative;
    display: block;

    .set-data{
        @include light;
        font-size: 18px;
        color: $blue;
    }
    .set-amount{
        @include light;
        margin-top: 10px;
        color: $gray;
        font-size: 12px;
    }
    .set-images{
        position: relative;
        margin-top: 22px;
        margin-bottom: 15px;
        width: 100%;
        img{
            width: 32%;
        }
        .img{
            display: inline-block;
            padding: 0px;
            vertical-align:top;
            text-align: center;
            background-size: cover;
            width: 113px; // Hard code for iPhone6+, latter rewrite by JS
            height: 75px; // Hard code for iPhone6+, latter rewrite by JS
        }
        .set-more{
            display: inline-block;
            padding: 0px;
            vertical-align:top;
            text-align: center;
            background: rgb(162, 207, 248);
            color: white;
            background: linear-gradient(rgb(162, 207, 248), rgb(105, 161, 239));
            width: 113px; // Hard code for iPhone6+, latter rewrite by JS
            height: 75px; // Hard code for iPhone6+, latter rewrite by JS
        }
    }
}

swipe.html

{% extends "login/layout.html" %} {% block content %}
<header class="pose">
    <a href='/login' class='btn-back'></a>
    <h2>Pose</h2>
    <span class="count">2/40</span>
</header>
<main class="pose">
    <div class="swiper-container">
        <!-- Additional required wrapper -->
        <div class="swiper-wrapper">
            <!-- Slides -->
            
            {% for j in 1..15 %}
            <div class="swiper-slide" id="swiper{{j}}{{j}}">

                <div class="center">
                    <a href="#ceter_link" class="center">
                        <img src="/images/ratio-imgs/{{j}}.jpg">
                    </a>
                    <div class="text">
                            {{j}}
                        Lorem ipsum dolor sit amet, consectetur adipcising elit. Morbi faucibus sapien a est ultircies porta. Cras non faugait nunc,
                        sit amet ornare orci. integer facilisi lacus massa, vel finibus nisl interdum a. Praesent eu gravida
                        leo, eu accusan ligula.
                    </div>
                </div>
            </div>
            {% endfor %}
        </div>
        

        <!-- If we need navigation buttons -->
        <div class="swiper-button-prev"></div>
        <div class="swiper-button-next"></div>

       
    </div>
</main>
<footer class="pose">
    <nav>
        <a href="#" class="home active"></a>
        <a href="#" class="man"></a>
        <a href="#" class="list"></a>
    </nav>
</footer>
<script>
    // Function that Fires on  Slike change.
    var onSlideChange = function(id){
        console.log(id);
    }
    $(document).ready(function () {


        mySwiper = new Swiper('.swiper-container', {
            // Optional parameters
            direction: 'horizontal',
            loop: false,
            initialSlide: 6,

            // Navigation arrows
            navigation: {
                nextEl: '.swiper-button-next',
                prevEl: '.swiper-button-prev',
            },

          
            on:{
                slideChange: function(){
                    var id = $(".swiper-slide").eq(this.activeIndex).attr('id');
                    if(id){
                        onSlideChange(id)
                    }
                }
            }
        })


    })
</script> {% endblock %}

videos.txt

1) On Desktop Chrome works fine: https://youtu.be/e6jIKx7KM7s
2) On Iphone dose not works: https://youtu.be/0Nw_dHPhYZQ