umami/components/layout/FormLayout.module.css

.form {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.form label {
  display: block;
  min-width: 100px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  position: relative;
  margin-bottom: 20px;
  line-height: 1.8;
  padding: 0 20px;
}

.row > div {
  position: relative;
  flex: 1 1;
}

.row > div > input,
.row > div > select {
  width: 100%;
  min-width: 240px;
}

.buttons {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.buttons button + button {
  margin-left: 10px;
}

.error {
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  top: 0;
  left: calc(100% + 16px);
  bottom: 0;
  z-index: 1;
}

.msg {
  color: var(--msgColor);
  background: var(--red400);
  font-size: var(--font-size-small);
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

.error:after {
  content: '';
  position: absolute;
  top: 0;
  left: -5px;
  bottom: 0;
  margin: auto;
  width: 10px;
  height: 10px;
  background: var(--red400);
  transform: rotate(45deg);
}

.message {
  text-align: center;
  margin: 20px 0;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--gray50);
  background: var(--gray800);
}

@media only screen and (max-width: 576px) {
  .error {
    align-items: flex-start;
    top: calc(100% + 7px);
    left: 0;
  }

  .error:after {
    left: 10px;
  }
}