wagtail/client/scss/objects/_objects.scss

.o-pill {
    display: inline-block;
    padding: 0.2em 0.5em;
    border-radius: 0.25em;
    vertical-align: middle;
    line-height: 1.5;
}


// For dropdowns
.o-icon {
    display: inline-block;
    vertical-align: middle;
    line-height: 1;
    margin-top: -0.25rem;
}