JSFiddle - React, Tailwind, and code Playground

CSS

/*---BB Редактор---*/

.bb-pane {
  height: 1%; overflow: hidden;
  padding-bottom: 5px;
  padding-left: 5px;
  margin: 0;
  height: auto !important;
  /* фон вокруг кнопок */
  text-decoration:none;
  background-image: -webkit-gradient(linear, left 0%, left 100%, from(#DEC17A), to(#C16638));
  background-image: -webkit-linear-gradient(top, #DEC17A, 0%, #C16638, 100%);
  background-image: -moz-linear-gradient(top, #DEC17A 0%, #C16638 100%);
  background-image: linear-gradient(to bottom, #DEC17A 0%, #C16638 100%);
  background-repeat: repeat-x;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#DEC17A', endColorstr='#C16638', GradientType=0);
  border-radius: 3px 3px 3px 3px;
  -moz-border-radius-bottomright: 0px;
  -webkit-border-bottom-right-radius: 0px;
  -khtml-border-bottom-right-radius: 0px; 
  border-bottom-right-radius: 0px;
  -moz-border-radius-bottomleft: 0px;
  -webkit-border-bottom-left-radius: 0px;
  -khtml-border-bottom-left-radius: 0px;
  border-bottom-left-radius: 0px;
  /* бордер верхняя панель */
  border-top:1px solid #C16638;
  border-left:1px solid #C16638;
  border-right:1px solid #C16638;
  box-shadow: none !important;
}

.bb-pane>b {
    margin-top: 5px;
    margin-left: 0;
	vertical-align: middle;
}
.bb-pane .bb-btn + .bb-btn,.bb-pane .bb-btn + .bb-pane,.bb-pane .bb-pane + .bb-btn,.bb-pane .bb-pane + .bb-pane {
    margin-left:-1px;
}
.bb-btn {
	display: inline-block; overflow: hidden; float: left;
	padding: 4px 10px;
    border: 1px solid #C16638; /* бордер вокруг кнопок */
    -webkit-box-shadow: inset 0 1px 2px white;
    -moz-box-shadow: inset 0 1px 2px white;
    box-shadow: inset 0 1px 2px white;
    background-repeat: repeat-x;
	/* цвет кнопок */
    background-image: -webkit-gradient(linear, left 0%, left 100%, color-stop(0%, #EED69C), color-stop(100%, #EED69C));
    background-image: -webkit-linear-gradient(top, #EED69C, 0%, #EED69C, 100%);
    background-image: -moz-linear-gradient(top, #EED69C, 0%, #EED69C,...