Vfrdtyky

I found a bootstrap template, that using css and js, can display bootsrap-cards and flip them, on hover
Css-wise, each card content is held under 2 different DIV tags and nested tags
source

I wanted to edit the back side of each card, but once I do, the backside size changes, in comparison with the front side, so when the card flips, the size of the card will remain the same

I have a JSFiddle with the modifications so far, and the card when each side in a different size

Below is the code

HTML

<!-- Team -->

<section id="team" class="pb-5">

    <div class="container">

        <h5 class="section-title h1">Test</h5>

        <h6><small><a href="test">test</a></small></h6>

        <div class="row">

            <!-- Team member -->





            <!-- Team member -->

            <div class="col-xs-12 col-sm-6 col-md-4">

                <div class="image-flip" ontouchstart="this.classList.toggle('hover');">

                    <div class="mainflip">

                        <div class="frontside">

                            <div class="card">

                                <div class="card-body text-center">

                                    <p><img class=" img-fluid" src="https://sunlimetech.com/portfolio/boot4menu/assets/imgs/team/img_03.png" alt="card image"></p>

                                    <h4 class="card-title">Sunlimetech</h4>

                                    <p class="card-text">This is basic card with image on top, title, description and button.</p>

                                    <a href="#" class="btn btn-primary btn-sm"><i class="fa fa-plus"></i></a>

                                </div>

                            </div>

                        </div>

                        <div class="backside">

                            <div class="card">

                                <div class="card-body text-center mt-4">

                                      <ul class="list-group list-group-flush"> <!--  -->

                                        <li class="list-group-item"><a href="https://www.google.com/" class="list-group-item list-group-item-action"><h6>Google</h6></a></li>

                                        <li class="list-group-item"><a href="https://www.google.com/" class="list-group-item list-group-item-action"><h6>Another Google</h6></a></li>

                                        <li class="list-group-item"><a href="https://www.google.com/"><h6>Blah Blah Blah longer text than just "google"</h6></a></li>

                                        <li class="list-group-item"><a href="https://www.google.com/"><h6>Another list Item</h6></a></li>

                                    </ul>                                    <ul class="list-inline">

                                        <li class="list-inline-item">

                                            <a class="social-icon text-xs-center" target="_blank" href="https://www.google.com/">

                                                <i class="fa fa-newspaper-o"></i>

                                            </a>

                                        </li>

                                        <li class="list-inline-item">

                                            <a class="social-icon text-xs-center" target="_blank" href="https://www.linkedin.com/">

                                                <i class="fa fa-linkedin"></i>

                                            </a>

                                        </li>

                                        <li class="list-inline-item">

                                            <a class="social-icon text-xs-center" target="_blank" href="https://www.gmail.com/">

                                                <i class="fa fa-address-book"></i>

                                            </a>

                                        </li>

                                        <li class="list-inline-item">

                                            <a class="social-icon text-xs-center" target="_blank" href="https://twitter.com/">

                                                <i class="fa fa-twitter"></i>

                                            </a>

                                        </li>

                                        <li class="list-inline-item">

                                            <a class="social-icon text-xs-center" target="_blank" href="https://www.facebook.com/">

                                                <i class="fa fa-facebook"></i>

                                            </a>

                                        </li>

                                    </ul>

                                </div>

                            </div>

                        </div>

                    </div>

                </div>

            </div>

            <!-- ./Team member -->





        </div>

    </div>

</section>

<!-- Team -->

CSS

/* FontAwesome for working BootSnippet :> */



@import url('https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css');

#team {

    background: #eee !important;

}



.btn-primary:hover,

.btn-primary:focus {

    background-color: #108d6f;

    border-color: #108d6f;

    box-shadow: none;

    outline: none;

}



.btn-primary {

    color: #fff;

    background-color: #007b5e;

    border-color: #007b5e;

}



section {

    padding: 60px 0;

}



section .section-title {

    text-align: center;

    color: #007b5e;

    margin-bottom: 50px;

    text-transform: uppercase;

}



#team .card {

    border: none;

    background: #ffffff;

}



.image-flip:hover .backside,

.image-flip.hover .backside {

    -webkit-transform: rotateY(0deg);

    -moz-transform: rotateY(0deg);

    -o-transform: rotateY(0deg);

    -ms-transform: rotateY(0deg);

    transform: rotateY(0deg);

    border-radius: .25rem;

}



.image-flip:hover .frontside,

.image-flip.hover .frontside {

    -webkit-transform: rotateY(180deg);

    -moz-transform: rotateY(180deg);

    -o-transform: rotateY(180deg);

    transform: rotateY(180deg);

}



.mainflip {

    -webkit-transition: 1s;

    -webkit-transform-style: preserve-3d;

    -ms-transition: 1s;

    -moz-transition: 1s;

    -moz-transform: perspective(1000px);

    -moz-transform-style: preserve-3d;

    -ms-transform-style: preserve-3d;

    transition: 1s;

    transform-style: preserve-3d;

    position: relative;

}



.frontside {

    position: relative;

    -webkit-transform: rotateY(0deg);

    -ms-transform: rotateY(0deg);

    z-index: 2;

    margin-bottom: 30px;

}



.backside {

    position: absolute;

    top: 0;

    left: 0;

    background: white;

    -webkit-transform: rotateY(-180deg);

    -moz-transform: rotateY(-180deg);

    -o-transform: rotateY(-180deg);

    -ms-transform: rotateY(-180deg);

    transform: rotateY(-180deg);

    -webkit-box-shadow: 5px 7px 9px -4px rgb(158, 158, 158);

    -moz-box-shadow: 5px 7px 9px -4px rgb(158, 158, 158);

    box-shadow: 5px 7px 9px -4px rgb(158, 158, 158);

}



.frontside,

.backside {

    -webkit-backface-visibility: hidden;

    -moz-backface-visibility: hidden;

    -ms-backface-visibility: hidden;

    backface-visibility: hidden;

    -webkit-transition: 1s;

    -webkit-transform-style: preserve-3d;

    -moz-transition: 1s;

    -moz-transform-style: preserve-3d;

    -o-transition: 1s;

    -o-transform-style: preserve-3d;

    -ms-transition: 1s;

    -ms-transform-style: preserve-3d;

    transition: 1s;

    transform-style: preserve-3d;

}



.frontside .card,

.backside .card {

    min-height: 312px;

}



.backside .card a {

    font-size: 18px;

    color: #007b5e !important;

}



.frontside .card .card-title,

.backside .card .card-title {

    color: #007b5e !important;

}



.frontside .card .card-body img {

    width: 120px;

    height: 120px;

    border-radius: 50%;

}







@import url("https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css");

@import url('https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700');

@import url('https://fonts.googleapis.com/css?family=Libre+Baskerville:400,700');

body{

    font-family: 'Open Sans', sans-serif;

}

*:hover{

    -webkit-transition: all 1s ease;

    transition: all 1s ease;

}

section{

    float:left;

    width:100%;

    background: #fff;  /* fallback for old browsers */

    padding:30px 0;

}

h1{float:left; width:100%; color:#232323; margin-bottom:30px; font-size: 14px;}

h1 span{font-family: 'Libre Baskerville', serif; display:block; font-size:45px; text-transform:none; margin-bottom:20px; margin-top:30px; font-weight:700}

h1 a{color:#131313; font-weight:bold;}

I suggest you to use matchHeight:
First, put this in footer

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery.matchHeight/0.7.2/jquery.matchHeight-min.js"></script>

Second, put this in footer (next to code above)

$(".card").matchHeight();

It'll work, upvote and accept my answer if it works, or let me know that it doesn't work
Here is the demo:
https://codepen.io/Lincox/pen/RqpERa