:root {
  --input-border: #666;
  --input-focus: #66e;
  --text-sm: 0.875rem;
  --text-sm--line-height: calc(1.25 / 0.875);
  --text-base: 1rem;
  --text-base--line-height: 1.5;
  --text-lg: 1.125rem;
  --text-lg--line-height: calc(1.75 / 1.125);
  --text-xl: 1.25rem;
  --text-xl--line-height: calc(1.75 / 1.25);
  --text-2xl: 1.5rem;
  --text-2xl--line-height: calc(2 / 1.5);
  --text-6xl: 3.75rem;
  --text-6xl--line-height: 1;
  --font-body: "Space Grotesk";
  --font-heading: "Bebas Neue";
}
* { box-sizing: border-box; }
body { background: #eee; margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.5; }
header { background: white; border-bottom: 1px solid #eee; height: 3rem }
header > div { display: flex; align-items: center; padding: 0.5rem 1.5rem; max-width: 60rem; margin: 0 auto; }
a, a:visited { color: #431466; text-decoration: underline dotted }
a:hover { text-decoration: underline }
h1, h2, h3, h4 { font-family: var(--font-heading), sans-serif; margin: 0; }
header h3 { margin: 0.125rem 0; margin-right: auto }
header h3 > a, header h3 > a:visited { text-decoration: none; color: black }
p {
  margin: 0;
}
h1 {
  font-size: var(--text-2xl);
  line-height: var(--text-2xl--line-height);
}
h2 {
  font-size: var(--text-xl);
  line-height: var(--text-xl--line-height);
}
h3 {
  font-size: var(--text-lg);
  line-height: var(--text-lg--line-height);
}
main { max-width: 60rem; margin: 0 auto; background: #fcfcfc; padding: 1.5rem; }
main > h1 { margin-bottom: 1.5rem }
footer { text-align: center; padding: 1rem;}
input {
  border: 1px solid var(--input-border);
  width: 100%;
  min-width: 15ch;
  max-width: 30ch;
  outline: none;
  font-family: inherit;
  cursor: inherit;

  border-radius: 0.25em;
  padding: 0.25em 0.5em;
  font-size: 1.25rem;
  line-height: 1.1;
}
input:focus {
  border-color: transparent;
  outline: 2px solid var(--input-focus);
}
.text-xl {
  font-size: var(--text-xl);
  line-height: var(--text-xl--line-height);
}
.text-6xl {
  font-size: var(--text-6xl);
  line-height: var(--text-6xl--line-height);
}
.bg-green {
  background-color: #a2f2ac;
}
.bg-blue {
  background-color: #a2e7f2;
}
.bg-pink {
  background-color: #f2a2e7;
}
.bg-red {
  background-color: #f2aca2;
}
.card {
  border: 3px solid black;
  border-radius: 9px;
  padding: 1rem;
}
.mb-4 {
  margin-bottom: 1rem;
}
.mr-auto {
  margin-right: auto;
}
.flex {
  display: flex;
}
.items-center {
  align-items: center;
}
.btn {
  appearance: none;
  background-color: #FAFBFC;
  border: 1px solid rgba(27, 31, 35, 0.15);
  border-radius: 6px;
  box-shadow: rgba(27, 31, 35, 0.04) 0 1px 0, rgba(255, 255, 255, 0.25) 0 1px 0 inset;
  box-sizing: border-box;
  color: #24292E;
  cursor: pointer;
  display: inline-block;
  font-family: -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  list-style: none;
  padding: 6px 16px;
  position: relative;
  transition: background-color 0.2s cubic-bezier(0.3, 0, 0.5, 1);
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  vertical-align: middle;
  white-space: nowrap;
  word-wrap: break-word;
}

.btn:hover {
  background-color: #F3F4F6;
  text-decoration: none;
  transition-duration: 0.1s;
}

.btn:active {
  background-color: #EDEFF2;
  box-shadow: rgba(225, 228, 232, 0.2) 0 1px 0 inset;
  transition: none 0s;
}

.btn:focus {
  outline: 1px transparent;
}

.btn:before {
  display: none;
}

.btn:-webkit-details-marker {
  display: none;
}