.mailform {
  width: 100%;
  margin: 2em 0;
  display: grid;
  grid-template-columns: 1fr;
  justify-content: start;
}
.mailform > input,
.mailform > textarea {
  margin-bottom: .25em;
}
.mailform > input[type="text"],
.mailform > input[type="email"] {
  width: 100%;
  max-width: 400px;
}
.mailform > textarea {
  width: 100%;
  height: 16em;
}
.mailform_submit {
  width: fit-content;
  margin-top: .5em;
}
div.mailform_submit {
  display: flex;
  flex-wrap: wrap;
  gap: .5em;
}
ul.list-alert,
ul.list-success {
  margin-block: 1em;
}
ul.list-alert > li {
  color: var(--base-alert-color);
}
ul.list-success > li {
  color: var(--base-success-color);
}
ul.list-success > li::before {
  top: 6px;
  inset-inline-start: -15.5px;
  z-index: 1;
  width: .4em;
  height: .6em;
  border-style: none solid solid none;
  border-color: var(--base-bg-color);
}
ul.list-success > li::after {
  content: "";
  position: absolute;
  top: .25em;
  inset-inline-start: -1.25em;
  width: 1em;
  height: 1em;
  border-radius: 50%;
  background-color: var(--base-success-color);
}

@media (min-width: 608px) {
  .mailform {
    grid-template-columns: auto 1fr;
    gap: 0.5em 1em;
  }
  .mailform > input,
  .mailform > textarea {
    margin-bottom: 0;
  }
}