/* back to results
   ============================ */
button.back-to-results {
    margin-top: 35px;
    position: relative;
}
button.back-to-results > span {
    display: inline-block;
    height: 8px;
    margin-right: 15px;
    margin-top: -4px;
    position: relative;
    left: 0;
    -moz-transition: 0.3s ease;
    -ms-transition: 0.3s ease;
    -o-transition: 0.3s ease;
    -webkit-transition: 0.3s ease;
    transition: 0.3s ease;
    vertical-align: middle;
    width: 14px;
}
button.back-to-results:focus > span,
button.back-to-results:hover > span {
    left: 5px;
}
button.back-to-results > span::before,
button.back-to-results > span::after {
    content: "";
    display: block;
}
button.back-to-results > span::before {
    border-right: 5px solid #21016b;
    border-bottom: 5px solid transparent;
    border-top: 5px solid transparent;
    -moz-border-radius: 2px;
    -webkit-border-radius: 2px;
    border-radius: 2px;
    height: 0;
    margin-top: -1px;
    width: 0;
}
button.back-to-results > span::after {
    background: #21016b;
    border-bottom: 1px solid #ffffff;
    border-top: 1px solid #ffffff;
    height: 2px;
    position: absolute;
    right: 0;
    top: 50%;
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    width: 10px;
}
button.back-to-results.hidden {
    margin: 0;
}
button.back-to-results + .article-details {
    padding-top: 10px;
}
.social-bar button.back-to-results {
    display: inline-block;
    font-size: 2.1rem;
    line-height: 2.7rem;
    margin-bottom: 0;
    margin-top: 2px;
    vertical-align: middle;
}

/* responsive
   ============================ */

@media screen and (max-width: 880px) {
    button.back-to-results {
        margin-bottom: 20px;
    }
}

@media screen and (max-width: 736px) {
    button.back-to-results {
        margin-bottom: 27px;
        margin-top: 18px;
    }
    button.back-to-results:focus > span,
    button.back-to-results:hover > span {
        left: 0;
    }
    .social-bar button.back-to-results {
        font-size: 1.5rem;
        line-height: 1.7rem;
        margin-top: 0;
    }
    .social-bar button.back-to-results span {
        margin-right: 8px;
        margin-top: -2px;
    }
}