.wrapper{
  position: relative;
  border: 2px solid #DBDEEC;
  border-radius: 10px;
  padding: 10px;
}
.block{
  position: absolute;
  z-index: 1;
  background-color: white;
}
.leftBlock{
  .block();
  left: -2px;
  top: 20px;
  height: 140px;
  width: 10px; 
}
.rightBlock{
  .block();
  right: -2px;
  top: 20px;
  height: 140px;
  width: 10px; 
}
.topBlock{
  .block();
  left: 20px;
  top: -2px;
  height: 10px;
  width: 140px; 
}
.bottomBlock{
  .block();
  left: 20px;
  bottom: -2px;
  height: 10px;
  width: 140px; 
}