Colorful JS console.log wrapper

// small wrapper of console.log
//   msg  = string of text you want to output
//   type = some string matching a case in the switch
// result: will color and style your console.log messages.
// note: if no type is added, 'default' will be used.
function Log(msg, type) {
  if (type === undefined || type === null) type = 'default';
  var styles = '';
  styles += 'text-shadow: 2px 2px rgba(0, 0, 0, 0.8);';
  styles += 'font-size: 14px;';
  styles += 'font-family: "Consolas";';
  styles += 'border: 2px solid black;';
  styles += 'line-height: 20px;';
  styles += 'width: 100%;'
  switch (type) {
    case 'default':
      // no concat of messages.
      styles += 'color: white;';
      styles += 'background: darkslategray;';
      break;
    case 'ok':
      msg = "     OK: " + msg;
      styles += 'color: ghostwhite;';
      styles += 'background: green;';
      break;
    case 'err':
      msg = "  ERROR: " + msg;
      styles += 'color: gold;';
      styles += 'background: firebrick;';
      styles += 'font-weight: bold;';
      break;
    case 'net':
      msg = "NETWORK: " + msg;
      styles += 'color: palegreen;';
      styles += 'background: rebeccapurple;';
      styles += 'font-style: italic;';
      break;
    //case '???':
      // uncomment this case and
      // add stuff here if you want more cases!
      //break;
    default: break;
  }
  console.log('%c ' + msg + " ", styles);
}

Log("regular message with no specification of type.");
Log("an OK typed message.", 'ok');
Log("an ERR typed message.", 'err');
Log("a NET typed message.", 'net');