:root {
  --card-spacing: 0.75rem;
}

html,
body {
  height: 100%;
}

html {
  box-sizing: border-box;
}

*,
*:before,
*:after {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica', 'Arial',
    sans-serif;
  font-size: 1em;
  line-height: 1.2;
  color: #222;
  letter-spacing: 0.01em;
}

h1,
h2 {
  font-weight: normal;
  line-height: 1.3;
}

i[role='img'] {
  font-style: normal;
}

.button {
  padding: 1rem 1.25rem;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1;
  text-align: center;
  border: 0;
  border-radius: 3px;
  background-color: #ddd;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

#root {
  height: 100%;
}

.board {
  display: flex;
  flex-wrap: nowrap;
  height: 100%;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scroll-snap-points-x: repeat(100%);
  background-color: #f5f5f7;
}

@media (min-width: 48rem) {
  .board {
    padding: 1rem;
  }
}

.list {
  flex-shrink: 0;
  max-width: 25rem;
  width: 100%;
  padding: 0 var(--card-spacing);
  padding-right: 0;
  scroll-snap-align: start;
}

.list__header {
  height: 3rem;
  display: flex;
  align-items: center;
}

.list__header_list_name {
  flex: 1;
}

.list__header_hide_list {
  font-size: 1.5rem;
  color: #aaa;
  background-color: transparent;
}

.list__header_hide_list:hover {
  color: inherit;
}

.list__header_item_count {
  display: inline-block;
  margin-left: 0.5rem;
  font-size: 1rem;
  line-height: 1;
  vertical-align: middle;
  padding: 0.25rem 0.5rem;
  color: #fff;
  text-align: center;
  border-radius: 1rem;
  background-color: #888;
}

.list__list {
  display: flex;
  flex-direction: column;
  border-radius: 3px;
  padding-right: var(--card-spacing);
  max-height: calc(100% - 3rem);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.list__list_item {
  list-style: none;
  margin-bottom: var(--card-spacing);
}

.list__list_item_link {
  display: block;
  padding: var(--card-spacing);
  color: inherit;
  text-decoration: none;
  border-radius: 3px;
}

.card__link {
  border-left-width: 6px;
  border-left-style: solid;
  border-left-color: #f76087;
  background-color: #fff;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
  word-break: break-word;
}

.promo__wrapper {
  margin: 0 auto;
  padding: 1rem;
  max-width: 60rem;
}

.promo__wrapper h1 {
  margin: 5rem 0 3rem;
  font-family: 'Archivo Black', sans-serif;
  font-size: 4rem;
  line-height: 1;
}

.promo__wrapper p {
  margin: 1.5rem 0;
  font-size: 1.8rem;
  line-height: 1.3;
  font-weight: 300;
}

.promo__wrapper img {
  margin: 1rem 0;
  max-width: 100%;
  height: auto;
}

.promo__header ul {
  margin: 0 -1rem;
}

.promo__header ul li {
  list-style: none;
  display: inline;
}

.promo__header ul li a {
  display: inline-block;
  padding: 1em;
  font-size: 1.3rem;
  line-height: 1;
  color: inherit;
  text-decoration: none;
}

.promo__header ul li a b {
  border-bottom: 3px solid #333;
}

.authentication__wrapper {
  margin: 2rem 0;
}

.button_authentication {
  font-weight: 600;
  color: #fff;
  border-left-width: 10px;
  border-left-style: solid;
  border-left-color: #3092f5;
  background-color: #0061c3;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
}

.button_authentication_notice {
  display: block;
  padding: 1rem 0 0;
  color: #888;
}

@media (min-width: 35rem) {
  .button_authentication_notice {
    display: inline-block;
    padding: 1rem;
  }
}