* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #f1f4f7;
  font-family: Arial, Helvetica, sans-serif;
  color: #1d2a3a;
}
main {
  max-width: 470px;
  margin: 7vh auto;
  padding: 34px;
  background: white;
  border: 1px solid #dfe5ec;
  border-radius: 9px;
}
.brand {
  display: inline-block;
  background: #c72734;
  color: white;
  font-size: 26px;
  letter-spacing: -1px;
  font-weight: bold;
  padding: 14px 12px;
}
.eyebrow {
  color: #8090a3;
  font-size: 10px;
  letter-spacing: 1px;
  margin: 22px 0 9px;
}
h1 {
  font-size: 25px;
  letter-spacing: -0.6px;
  line-height: 1.3;
  margin: 0 0 16px;
}
p {
  font-size: 13px;
  color: #708196;
  line-height: 1.7;
}
label {
  display: block;
  font-size: 12px;
  font-weight: bold;
  color: #5e738b;
  margin: 19px 0 8px;
}
input,
select {
  display: block;
  width: 100%;
  border: 1px solid #ccd8e3;
  border-radius: 5px;
  padding: 12px;
  font: inherit;
  font-size: 13px;
  color: #26435c;
  margin-top: 8px;
}
input:focus {
  outline: 2px solid #688aab;
}
button {
  background: #c72734;
  color: white;
  padding: 13px 20px;
  border: 0;
  border-radius: 5px;
  font-size: 13px;
  font-weight: bold;
  width: 100%;
  margin-top: 23px;
  cursor: pointer;
}
a {
  color: #4a7195;
  font-size: 12px;
  line-height: 1.8;
}
.error {
  background: #fff0f2;
  border: 1px solid #efcdd3;
  color: #a73443;
  padding: 13px;
  border-radius: 5px;
  font-size: 12px;
  line-height: 1.6;
}
.success {
  background: #eaf6ef;
  color: #277750;
  padding: 13px;
  border-radius: 5px;
  font-size: 12px;
}
.fine {
  font-size: 11px;
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}
.checks {
  font-size: 11px;
  color: #778ca3;
  line-height: 1.8;
  border-bottom: 1px solid #e0e7ed;
  padding: 12px 0 20px;
  margin: 10px 0;
}
.checks .ok {
  color: #277750;
}
.checks .bad {
  color: #b14651;
}
fieldset {
  border: 0;
  padding: 0;
  margin: 28px 0;
}
legend {
  font-size: 15px;
  font-weight: bold;
}
.wide {
  max-width: 620px;
}
@media (max-width: 600px) {
  main {
    margin: 20px 14px;
    padding: 26px;
  }
  .split {
    grid-template-columns: 1fr;
  }
}