.author-box .avatar{--avatar:80px;width:var(--avatar);height:var(--avatar);border-radius:999px;overflow:hidden;flex:0 0 var(--avatar);position:relative}.author-box .bio strong{font-size:1.1rem;color:#0f122b}.author-box .bio .muted{color:#5e6486;line-height:1.5}@media (min-width:900px){.author-box .avatar{--avatar:90px}}