const char HTTP_HEAD_STYLE_WIFI[] PROGMEM =
  ".wifi{width:18px;height:12px;position:relative}"
  ".arc{padding:0;position:absolute;border:2px solid transparent;border-radius:50%;border-top-color:var(--c_txt)}"
  ".a0{width:2px;height:3px;top:9px;left:8px}"
  ".a1{width:6px;height:6px;top:6px;left:6px}"
  ".a2{width:12px;height:12px;top:3px;left:3px}"
  ".a3{width:18px;height:18px;top:0px;left:0px}"
  ".o30{opacity:.3}"
  ;