.button-grid.-size\:3 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center; }
  .button-grid.-size\:3 > div {
    flex-basis: 33.33333%;
    flex-grow: 0;
    flex-shrink: 0;
    padding: 1rem; }

.button-grid button,
.button-grid a.linkbutton {
  display: block;
  margin: 0; }