openecomp-ui/resources/scss/components/_grid.scss

$gridItemSpace: 15%;

.grid-section {
		&:not(:last-of-type) {
			padding-bottom: 30px;
		}
		.grid-items {
			display: flex;
			flex-direction: row;
			flex-wrap: wrap;
		}

		%grid-col-base {
			flex-shrink: 0;
			display: flex;
		}

		.grid-item {
			flex: 1;
			display: flex;
			flex-direction: column;
		}

		.grid-item-stretch {
			@extend .grid-item;
			& *:last-child {
				flex: 1;
				display: flex;
				flex-direction: column;
			}
		}

		.grid-col-1 {
			@extend %grid-col-base;
			flex-basis: 25%;
      &:after {
        flex-basis: $gridItemSpace;
        content: ' ';
      }
		}

		.grid-col-2 {
			@extend %grid-col-base;
			flex-basis: 50%;
      &:after {
        flex-basis: $gridItemSpace / 2;
        content: ' ';
      }
		}
		.grid-col-3 {
			@extend %grid-col-base;
			flex-basis: 75%;
      &:after {
        flex-basis: $gridItemSpace / 3;
        content: ' ';
      }
		}
		.grid-col-4 {
			@extend %grid-col-base;
			flex-basis: 100%;
      &:after {
        flex-basis: $gridItemSpace / 4;
        content: ' ';
      }
		}
}