Блоки одинаковой высоты

.list 
    { 
        width: 400px; 
        display: -webkit-flex; 
        display: -ms-flexbox; 
        display: flex; 
 
        -webkit-flex-wrap: wrap; 
        -ms-flex-wrap: wrap; 
        flex-wrap: wrap; 
    } 
    .list__item 
    { 
        width: 40%; 
        background: #3e3e3b; 
        display: -webkit-flex; 
        display: -ms-flexbox; 
        display: flex; 
        padding: 2%; 
        margin: 0 3%; 
        color: #FFFFFF; 
    }

<ul class="list"> 
    <li class="list__item">Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.</li> 
    <li class="list__item">Lorem Ipsum is simply dummy text of the printing and typesetting industry.</li> 
    <!-- остальные элементы --> 
</ul>