.ttb-htp-wrapper{max-width:800px;margin:30px auto;font-family:system-ui,Roboto,Arial,sans-serif}
.ttb-heading{text-align:center;font-size:1.5rem;margin-bottom:1rem;font-weight:600}
#ttb-html-input{height:320px;width:100%;}
.ttb-btn{display:block;margin:16px auto 0;background:#0073aa;color:#fff;border:none;border-radius:6px;padding:10px 24px;font-size:1rem;cursor:pointer;transition:.2s}
.ttb-btn:hover{background:#006297}
.ttb-status{text-align:center;margin-top:10px;font-size:.95rem}