.a21__list {
  text-align: center;
}

.a21__list-item+.a21__list-item {
  margin-top: 1.5rem;
}

.a21__list-title {
  color: #1d2533;
  margin: 0.5rem 0 1.5625rem 0;
  position: relative;
  font-family: "Montserrat", arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5rem;
}

.a21__list-title::before {
  background: currentcolor;
  bottom: 0;
  bottom: -0.75rem;
  content: '';
  height: 0.0625rem;
  left: 50%;
  position: absolute;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  width: 2rem;
}

.a21__list-subitle {
  font-weight: 400;
  margin: 0;
  font-size: 1rem;
  line-height: 1.5rem;
}

@media screen and (min-width: 48em) {
  .a21__list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
  }

  .a21__list-item+.a21__list-item {
    margin-left: 1rem;
    margin-top: 0;
  }

  .a21__list-title {
    font-family: "Montserrat", arial, sans-serif;
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.5rem;
  }
}

@media screen and (min-width: 80em) {
  .a21__list-item {
    max-width: 16rem;
  }

  .a21__list-item+.a21__list-item {
    margin-left: 2rem;
  }
}