.structure__blocco {
  margin-bottom: 20px;
}
.structure__blocco .form__widget {
  background-color: #fdfdfd;
  box-shadow: 0 0 1px 0 rgba(0, 0, 0, 0.64) inset;
}
.structure__blocco .form__widget::before,
.structure__blocco .form__widget::after {
  content: " ";
  display: table;
}
.structure__blocco .form__widget form > .form-group {
  padding: 0 15px;
}
.builder-blocco {
  min-height: 200px;
  position: relative;
}
.builder-blocco::after {
  background: rgba(199, 30, 16, 0.5) none repeat scroll 0 0;
  content: " ";
  display: none;
  height: 50px;
  left: 50%;
  margin-left: -25px;
  margin-top: -25px;
  position: absolute;
  top: 50%;
  width: 50px;
  z-index: 999;
}
.builder-blocco::before {
  color: #fff;
  content: "+";
  display: none;
  font-size: 24px;
  font-weight: bold;
  height: 20px;
  left: 50%;
  line-height: 20px;
  margin-left: -10px;
  margin-top: -10px;
  position: absolute;
  text-align: center;
  top: 50%;
  width: 20px;
  z-index: 1000;
}
.builder-blocco:hover, 
.builder-blocco:focus {
  cursor: pointer;
}
.builder-blocco:hover::after, 
.builder-blocco:hover::before, 
.builder-blocco.selected::after, 
.builder-blocco.selected::before {
  display: block;
}
.builder-blocco {
  background: #f5f5f5 none repeat scroll 0 0;
  border: 1px dashed #d5d5d5;
  margin: 10px 0;
  opacity: 0.4;
  transition: all 200ms ease 0s;
  width: 100%;
}
.builder-blocco::after, .builder-blocco::before {
  display: block;
}
.builder-blocco:hover,
.builder-blocco.selected {
  opacity: 1;
}

.first__blocco .action__level_up {
  display: none;
}
.last__blocco .action__level_down {
  display: none;
}

.structure__blocco .form__widget form .action-bar {
  margin: 0 15px 15px;
}