.at-heroSlider {
    position: relative;
    margin-bottom: 4em;
}

.at-heroSlider:before {
    position: absolute;
    bottom: -20px;
    left: 50%;
    -webkit-transform: translate(-50%);
    transform: translate(-50%);
    width: 60px;
    content: '';
    border: 30px solid transparent;
    border-bottom: 40px solid #c4d92d;
    z-index: 1;
}

.at-heroSlider:after {
    position: absolute;
    bottom: calc(-70px + -20px);
    left: 50%;
    -webkit-transform: translate(-50%);
    transform: translate(-50%);
    width: 60px;
    content: '';
    border: 30px solid transparent;
    border-top: 40px solid #c4d92d;
    z-index: 1;
}

.at-heroSlider__content {
    position: absolute;
    left: 50%;
    top: 50%;
    max-width: 70%;
    transform: translate(-50%,-50%);
    z-index: 2;
}

.at-heroSlider__image {
    display: block;
    padding: 1em;
    background: rgba(255, 255, 255, 0.6);
}

.at-heroSlider__slides {
    position: relative;
    left: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    overflow: hidden;
}

/* Overwrite margin bottom from .article_static li */
.at-heroSlider__slides .at-heroSlider__slide {
    margin-bottom: 0;
}

.at-heroSlider__slide {
    float: left;
    height: 30vw;
    min-height: 200px;
    background-size: cover;
    background-repeat: no-repeat;
}

.at-heroSlider__slides--noSlides .at-heroSlider__slide {
    float: none;
}

@media (min-width: 640px) {
    .at-heroSlider {
        margin-bottom: 6.5em;
    }

    .at-heroSlider:before {
        bottom: -30px;
        border: 50px solid transparent;
        border-bottom: 70px solid #c4d92d;
    }

    .at-heroSlider:after {
        bottom: calc(-120px + -30px);
        border: 50px solid transparent;
        border-top: 70px solid #c4d92d;
    }
}