.single-post
{
    position: relative;
}

.post-meta-container
{ 
    background: #2B3542;
}        
.post-meta-container:after {
    content: "";
    display: block;
    background: #3F4854;
    position: absolute;
    z-index: 1;
    top: 0;
    right: 0;
    bottom: 0;
    left: 60%;
}

/* post-author */

.post-author {
    width: 60%;
    padding: 30px;    
    position: relative;
    overflow: hidden;
}

.post-author:before, .post-author:after {
    content: "";
    display: block;
    position: absolute;
    left: 30px;
}

.post-author:before {
    z-index: 100;
    top: 0;
    width: 40px;
    height: 70px;
    background: #13C4A5;    
}

.post-author:after {
    top: 50px;
    border: 20px solid transparent;
    border-left-color: #13C4A5;
    border-right-color: #13C4A5;
}

.post-author-content {
    margin-left: 70px;
}

.post-author h4 {
    font-family: 'Roboto Slab', sans-serif;
    font-size: 1.1em;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
}

.post-author p {
    font-size: 0.875em;
    line-height: 150%;
    color: #9499A0;
}

.author-links {
    margin-top: 18px;
}

.author-links a {
    display: inline-block;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 16px auto;
    margin-left: 5px;
    border-radius: 999px;
    text-indent: -9999px;
}

.author-links a:first-child {
    margin-left: 0;
}

.author-links a:hover {
    background-color: #13C4A5;
}
    
@media (max-width: 700px) {
    .hideysmall {
        display: none;
    }
    /* single post */
    .post-author, .single .post-meta {
        width: 100%;
        float: none;
        border-radius: 0;
    }
    .single .post-meta-container:after {
        content: none;
    }
    .single .post-meta {
        background-color: #3F4854;
    }
    /* post content */
    .post-content .alignleft, .post-content .alignright {
        max-width: 100%;
        float: none;
        margin: 1.25em 0;
    }
    .post-content .alignleft a, .post-content .alignleft img, .post-content .alignright a, .post-content .alignright img {
        margin-left: auto;
        margin-right: auto;
    }
    /* comments */
    .comment-form-author, .comment-form-email, .comment-form-url {
        width: 100%;
    }
}