.border_gradient {
  position: relative;
  width: 100%;
  min-height: var(--gradient-border-thickness);
  max-width: 1600px;
  height: var(--gradient-border-thickness);
  background-image: linear-gradient(var(--light-blue), var(--dark-blue));
}

.border_grey {
  min-width: 2px;
  min-height: 60%;
  margin: 0rem 1rem;
  background-color: var(--grey);
}

@media only screen and (max-width: 1300px) {

  .border_grey {
    width: 10rem;
    min-height: 2px;
    background-color: lightgray;
  }

}