body#tinymce.wp-editor.content .code-block {
  position: relative;
  overflow: hidden;
}
body#tinymce.wp-editor.content .code-block::before {
  content: "CodeMirror Block Classic";
  color: #000;
  background-color: rgba(200, 200, 200, .9);
  cursor: pointer;
  display: block;
  font-size: 10px;
  padding: 9px .75rem;
}
body#tinymce.wp-editor.content .code-block::after {
  content: "";
  width: 20px;
  height: 20px;
  background-image: url('../js/code-block-setting.png');
  background-size: contain;
  background-repeat: no-repeat;
  cursor: pointer;
  margin-left: 5px;
  position: absolute;
  top: 7px;
  right: 7px;
  opacity: .5;
}

body#tinymce.wp-editor.content .code-block > pre {
  background-color: #eee;
  padding: .5rem;
  margin-top: 0;
  position: relative;
  border-left: 3px solid #eee;
  font-family: 'Courier New', Courier, monospace;
  line-height: 1.5;
  overflow: auto;
}
body#tinymce.wp-editor.content .code-block > pre:hover {
  border-left: 3px solid #d2d2d2;
}
.wpcm-toolbar {
  position: absolute;
  display: flex;
  flex-direction: row-reverse;
}

.wpcm-toolbar > .wpcm-toolbar-container {
  position: relative;
  display: flex;
  padding: 7px 0;
  border-top-left-radius: 24px;
  border-bottom-left-radius: 24px;
  overflow: hidden;
  background-color: rgba(200, 200, 200, 1);
}

.wpcm-toolbar > .wpcm-toolbar-container > span {
  transition: all .3s ease;
}
.wpcm-toolbar > .wpcm-toolbar-container > span.wpcm-edit-icon {
  width: 20px;
  height: 20px;
  background-image: url('../js/code-block-setting.png');
  background-size: contain;
  background-repeat: no-repeat;
  cursor: pointer;
  margin-left: 7px;
  margin-right: 7px;
}
.wpcm-toolbar > .wpcm-toolbar-container > span.info {
  line-height: 20px;
  font-size: 12px;
  /* border: 1px solid; */
  margin: 0 3px;
  border-radius: 10px;
  padding: 0 6px;
  background: #fefefe;
  color: #818182;
  box-shadow: 3px 2px 3px 0 rgba(0,0,0,0.33);
  -webkit-animation-duration: .3s;
  animation-duration: .3s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;

  -webkit-animation-name: fadeInRight;
  animation-name: fadeInRight;
}
.wpcm-toolbar > .wpcm-toolbar-container > span.info::after {
  content: attr(title);
  font-weight: 700;
}
.wpcm-toolbar > .wpcm-toolbar-container > span.error {
  background-color: #ffcccc;
  color: #000;
  font-weight: 500;
  font-size: 14px;
}
@keyframes fadeInRight {
  from {
    opacity: 0;
    -webkit-transform: translate3d(100%, 0, 0);
    transform: translate3d(100%, 0, 0);
  }

  to {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}

/* At the top level of your code */
@media screen and (max-width: 768px) {
  .wpcm-toolbar > .wpcm-toolbar-container > .info {
    display: none;
  }
}