.at-twoColumns__article {
    margin-bottom: 3em;
}

.at-twoColumnsArticle__title {
    position: relative;
   /* margin-bottom: 1.5em;*/
    margin-bottom: 1em;
    font-size: 1.4em;
    text-align: center;
}

/*.at-twoColumnsArticle__title:after {
    position: absolute;
    right: 0;
    bottom: -.4em;
    left: 0;
    width: 100px;
    height: 3px;
    margin: 0 auto;
    content: '';
    background: #ff3550;
}*/

.at-twoColumns--65_35 .at-twoColumns__article--first {
    padding: 0 2em 1em 2em;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 0 0 0 #fff, 0 4px 10px 0 rgba(0,0,0,.18);
    transition: transform .4s cubic-bezier(.25,.46,.45,.94), box-shadow .3s cubic-bezier(.25,.46,.45,.94);
}

@media (min-width: 768px) {
    .at-twoColumns {
        display: -webkit-box;
        display: -webkit-flex;
        display: -ms-flexbox;
        display: flex;
        -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
        -webkit-box-pack: justify;
        -webkit-justify-content: space-between;
        -ms-flex-pack: justify;
        justify-content: space-between;
    }

    .at-twoColumns--50_50 .at-twoColumns__article--first,
    .at-twoColumns--50_50 .at-twoColumns__article--second {
        -webkit-box-flex: 0;
        -ms-flex: 0 1 calc(50% - 2.5em);
        flex: 0 1 calc(50% - 2.5em);
        width: calc(50% - 2.5em);
    }

    .at-twoColumns--65_35 .at-twoColumns__article--first {
        -webkit-box-flex: 0;
        -ms-flex: 0 1 calc(65% - 3em);
        flex: 0 1 calc(65% - 3em);
        width: calc(65% - 3em);
    }

    .at-twoColumns--65_35 .at-twoColumns__article--second {
        -ms-flex-preferred-size: 35%;
        flex-basis: 35%;
    }
}