css border-left 50% height

Question

I want the left border of my div to show only to the half of the div. The same I would like to do to my right border but is should be set from the bottom of the div to the m

Answer 1

For those trying to implement Aleksandr Belugin's answer above using border-left, here it is:

.mybox {
  position: relative;
  padding: 10px 20px;
  background-color: #EEEEEE;
}

.mybox:after {
  content: '';
  position: absolute;
  left: 0px;
  top: 25%;
  height: 50%;
  border-left: 1px solid #0000CC;
}

  Le content de box.