@media screen and (max-width: 767px) {
            .post.single .author .details {
                float: none;
                margin-left: 0;
            }

            .author {
                display: flex;
                flex-flow: column nowrap;
                justify-content: center;
                justify-items: center;
                align-self: center;
                align-items: center;
            }
        }