style.css

html, body {
  height: 100%;
}

body {
  background-color: #fff;
  font-family: sans-serif;
  margin: 0;
  overflow: hidden;
}

.menu-bar{
  height: 50px;
  background-color: hsla(215, 100%, 65%, 1);
  vertical-align: center;
  font-weight: bold;
  color: #fff;
  line-height: 50px;
}

.navbar li  div:hover{
  background-color:#2fafcf;
}

.navbar-center {
  display: inline-block;
  float: none;
  vertical-align: top;
}

select {
  /*!*Chrome和Firefox里面的边框是不一样的，所以复写了一下*!*/
  /*border: solid 1px #000;*/
    /*width:3rem;*/
  /*height:3rem;*/
  /*!*很关键：将默认的select选择框样式清除*!*/
  /*appearance:none;*/
  /*-moz-appearance:none;*/
  /*-webkit-appearance:none;*/
}

.navbar-collapse-center {
  text-align: center;
}

.farSide {
  text-align: right;
}

html[dir="RTL"] .farSide {
  text-align: left;
}

/* Buttons */
button {
  margin: 5px;
  padding: 10px;
  border-radius: 4px;
  border: 1px solid #ddd;
  font-size: large;
  background-color: #eee;
  color: #000;
}
button.primary {
  border: 1px solid #dd4b39;
  background-color: #dd4b39;
  color: #fff;
}
button.primary>img {
  opacity: 1;
}
button>img {
  opacity: 0.6;
  vertical-align: text-bottom;
}
button:hover>img {
  opacity: 1;
}
button:active {
  border: 1px solid #888 !important;
}
button:hover {
  box-shadow: 2px 2px 5px #888;
}
button.disabled:hover>img {
  opacity: 0.6;
}
button.disabled {
  display: none;
}
button.notext {
  font-size: 10%;
}

h1 {
  font-weight: normal;
  font-size: 140%;
  margin-left: 5px;
  margin-right: 5px;
}

/* Tabs */
#tabRow>td {
  border: 1px solid #ccc;
  border-bottom: none;
}
td.tabon {
  border-bottom-color: #ddd !important;
  background-color: #ddd;
  padding: 5px 19px;
}
td.taboff {
  cursor: pointer;
  padding: 5px 19px;
}
td.taboff:hover {
  background-color: #eee;
}
td.tabmin {
  border-top-style: none !important;
  border-left-style: none !important;
  border-right-style: none !important;
}
td.tabmax {
  border-top-style: none !important;
  border-left-style: none !important;
  border-right-style: none !important;
  width: 99%;
  padding-left: 10px;
  padding-right: 10px;
  text-align: right;
}
html[dir=rtl] td.tabmax {
  text-align: left;
}

table {
  border-collapse: collapse;
  margin: 0;
  padding: 0;
  border: none;
}
td {
  padding: 0;
  vertical-align: top;
}
.content {
  visibility: hidden;
  margin: 0;
  padding: 1ex;
  position: absolute;
  direction: ltr;
}
pre.content {
  border: 1px solid #ccc;
  overflow: scroll;
}
#content_blocks {
  padding: 0;
}
.blocklySvg {
  border-top: none !important;
}
#content_xml {
  resize: none;
  outline: none;
  border: 1px solid #ccc;
  font-family: monospace;
  overflow: scroll;
}
#languageMenu {
  vertical-align: middle;
  opacity: 0;
  position: absolute;
  width: 40px;
  height: 42px;
  right: 0;
  top: 0;
}

/* Buttons */
button {
  padding: 1px 10px;
  margin: 1px 5px;
}

/* Sprited icons. */
.icon21 {
  height: 21px;
  width: 21px;
  background-image: url(icons.png);
}
.trash {
  background-position: 0px 0px;
}
.link {
  background-position: -21px 0px;
}
.run {
  background-position: -42px 0px;
}

.blocklyBlockIcon{
  height: 24px;
  width: 24px;
  background:url('./media/tab_block.png') no-repeat;
  background-size: 100% auto;
  display: inline-block;
  vertical-align:middle;
  float:left;
}

.blocklyTreeIcon {
  height: 24px;
  width: 24px;
}

#tab_blocks_wrapper {
  padding-left:  10px;
  padding-right: 10px;
}

.blocklyTreeRow{
  height:38px;
  line-height: 38px;
  margin-bottom: 0px;
}


#\:1>div>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/chaincode.png') no-repeat;
  background-size: 100% auto;
}
#\:1>.blocklyTreeSelected>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/chaincode2.png') no-repeat;
  background-size: 100% auto;
}
#\:3>div>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/logic.png') no-repeat;
  background-size: 100% auto;
}
#\:3>.blocklyTreeSelected>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/logic2.png') no-repeat;
  background-size: 100% auto;
}
#\:5>div>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/loop.png') no-repeat;
  background-size: 100% auto;
}
#\:5>.blocklyTreeSelected>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/loop2.png') no-repeat;
  background-size: 100% auto;
}
#\:7>div>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/math.png') no-repeat;
  background-size: 100% auto;
}
#\:7>.blocklyTreeSelected>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/math2.png') no-repeat;
  background-size: 100% auto;
}
#\:9>div>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/text.png') no-repeat;
  background-size: 100% auto;
}
#\:9>.blocklyTreeSelected>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/text2.png') no-repeat;
  background-size: 100% auto;
}
#\:b>div>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/list.png') no-repeat;
  background-size: 100% auto;
}
#\:b>.blocklyTreeSelected>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/list2.png') no-repeat;
  background-size: 100% auto;
}
#\:d>div>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/object.png') no-repeat;
  background-size: 100% auto;
}
#\:d>.blocklyTreeSelected>span.blocklyTreeIcon.blocklyTreeIconNone{
  background:url('./media/object2.png') no-repeat;
  background-size: 100% auto;
}