.block-newsletter {
  display: block;
}
.block-newsletter form.newsletter {
  max-width: 20em;
  margin: 0 auto;
  text-align: center;
}
.block-newsletter form.newsletter > .fields {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
}
.block-newsletter form.newsletter > .fields input[type=email] {
  display: block;
  box-sizing: border-box;
  width: 100%;
  padding: 0.5em;
  border: 1px solid var(--fg);
  background: var(--bg);
  font-size: var(--font-size);
  line-height: 1.4;
  color: inherit;
}
.block-newsletter form.newsletter > .fields input[type=email]::-moz-placeholder {
  color: var(--fg);
}
.block-newsletter form.newsletter > .fields input[type=email]::placeholder {
  color: var(--fg);
}
.block-newsletter form.newsletter > .fields input[type=submit] {
  display: inline-block;
  width: auto;
  padding: 0.5em 1.5em;
  border-radius: 2em;
  border: none;
  background-color: var(--fg);
  color: var(--bg);
  font-size: var(--font-size);
  line-height: 1.4;
  cursor: pointer;
  transition: background-color var(--anim-speed) ease-in-out;
}
.block-newsletter form.newsletter > .fields input[type=submit]:hover {
  background-color: var(--c1);
}