body {
  margin: 0;
}

* {
  box-sizing: border-box;
}

textarea {
  vertical-align: top;
}

.frame {
  box-shadow: inset 1px -1px 10px rgba(0, 0, 0, .4);
  margin: 10px;
  overflow: hidden;
}

.welcome {
  margin-top: 30px;
  font-size: 30px;
  text-align: center;
  line-height: 60px;
}
.rule-of-thumbs .thumb, .tip {
  text-align: center;
  font-weight: bold;
  font-style: italic;
  color: #AAA;
}

.editors .flex-container {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
}
.editors .flex {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  flex: 1;
}
.editors .flex-2 {
  -webkit-box-flex: 2;
  -webkit-flex: 2;
  flex: 2;
}

.editors .light-border {
  border: 1px solid rgba(125, 125, 125, .2);
  outline: none;
}

.editors .sm-editor .label {
  display: block;
  text-align: center;
  line-height: 30px;
  font-weight: bold;
  font-size: 18px;
}
.editors .sm-editor .rule {
  overflow: scroll;
  margin: 0 10px 10px;
  padding: 10px;
  cursor: pointer;
  border: 1px solid rgba(125, 125, 125, .3);
}

.editors .sm-editor .rule:nth-child(2n) {
  background: rgb(249, 249, 249);
}
.editors .sm-editor .rule:hover {
  background: rgb(245, 245, 245);
}
.editors .sm-editor .rule.active {
  background: rgb(217, 237, 247);
}

.editors .sm-inner-editor {
  padding: 10px;
}
.editors .sm-inner-editor .control-label {
  display: inline-block;
  width: 90px;
}
.editors .sm-inner-editor .row {
  margin-bottom: 10px;
}
.editors .sm-inner-editor textarea {
  resize: vertical;
  height: 100px;
}

.editors .sm-media-editor .media-query {
  border: 1px solid rgba(125, 125, 125, .2);
  padding: 10px;
}
.editors .sm-media-editor .media-query:only-child {
  border: none;
  padding: 0;
}

.editors .html-css-editor .frame {
  padding: 10px;
}
.editors .html-css-editor textarea {
  resize: vertical;
  width: 100%;
  height: 200px;
  outline: none;
}


@media screen and (max-width: 600px) {
  .editors .html-css-editor.flex-container {
    display: block;
  }
}