.at-prices {
    display: flex;
    flex-wrap: wrap;
    margin: 0 0 2em;
    padding: 0;
    list-style: none;
}

.at-prices__item {
    position: relative;
    width: 15em;
    min-height: 191px;
    margin-bottom: 1em;
    padding: 2em;
    vertical-align: top;
    text-align: center;
    border-radius: 0.3em;
    border: 1px solid #e2e2e2;
    background-color: #fff;
}

.at-prices__title {
    margin: 0 0 0.4em;
    font-size: 1.2em;
    font-weight: 100;
}

.at-prices__description {
    display: block;
    margin: -.5em 0 .4em;
    font-size: .9em;
}

.at-prices__price {
    display: block;
    margin-bottom: 0.5em;
    font-size: 1.5em;
    font-weight: bold;
}

@media (min-width: 568px) {
    .at-prices {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        -ms-overflow-style: -ms-autohiding-scrollbar;
    }

    .at-prices__item {
        margin: 0 1em 0 0;
    }
}

@media screen and (min-width: 767px) {
    .at-prices {
        display: flex;
        -ms-flex-flow: row wrap;
        flex-flow: row wrap;
    }

    .at-prices__item {
        flex: 0 0 auto;
        width: calc(100% / 3 - 1.4%);
        margin-right: 2%;
        margin-bottom: 1em;
    }

    .at-prices__item:nth-child(3n) {
        margin-right: 0;
    }
}