Mettre des conditions

1.  @supports (display: grid) {
2.   .wrapper > * {
3.     width: auto;
4.     margin: 100px;
5.   }
6. }

Si le navigateur prend en charge display grid alors ...

/* We need to set the widths used on floated items back to auto, and remove the bottom margin as when we have grid we have gaps. */ lien