ar-design/dist/assets/css/components/feedback/popover/styles.css

AR Design is a (react | nextjs) ui library.

.ar-popover-wrapper {
  position: relative;
  width: max-content;
}
.ar-popover-wrapper.full-width {
  width: 100%;
}

.ar-popover {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  display: flex;
  flex-direction: column;
  background-color: var(--white);
  width: 250px;
  border: solid 1px var(--gray-200);
  border-radius: var(--border-radius-sm);
  box-shadow: 0 0 15px -2.5px rgba(var(--black-rgb), 0.1);
  z-index: 1051;
  transition: visibility 250ms, opacity 250ms;
}

.ar-popover > .title {
  background-color: var(--gray-100);
  padding: 0.5rem 1rem;
  border-bottom: solid 1px var(--gray-200);
}

.ar-popover > .content {
  max-height: 200px;
  padding: 0.5rem 1rem;
  overflow-y: auto;
  overflow-x: hidden;
}

.ar-popover > .message {
  position: relative;
  padding: 0.5rem 1rem;
  color: var(--gray-700);
  font-size: 0.8rem;
  text-wrap: wrap;
}

.ar-popover > .footer {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  gap: 0 0.5rem;
  padding: 0.5rem 1rem;
  border-top: solid 1px var(--gray-200);
}