.grid_color:after{
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  border-top: 1px solid #eb5648;
  -webkit-transform-origin: 0 0;
  transform-origin: 0 0;
  -webkit-transform: rotate(-45deg) translate(-50%,-50%);
  transform: rotate(-45deg) translate(-50%,-50%);
  
}