* {
  box-sizing: border-box;
}

body {
  background-color: #202021;
  color: #f1f1f1;
  padding: 16px;
  font-family: "Roboto", "Open Sans", sans-serif;
  line-height: 1.25;
}

.content {
  max-width: 1000px;
  margin: auto;
}

.tips {
  background-color: #3f3f46;
  border-radius: 16px;
  width: 100%;
  margin: auto;
  margin-top: 32px;
  padding: 8px 16px 8px 16px;
}

.tip-content {
  overflow: hidden;
}

.button {
  background-color: #3f3f46;
  border: 2px solid #f1f1f1;
  color: #f1f1f1;
  font-size: 24px;
  margin-top: 16px;
  padding: 8px 16px;
  transition-duration: 0.2s;
  cursor: pointer;
}

.button:hover {
  background-color: #f1f1f1;
  color: #252526;
}

.center {
  display: block;
  margin: auto;
}

.table {
  display: table;
  border-collapse: separate;
  border-spacing: 16px;
  margin: 0 -16px;
  width: calc(100% + 32px);
}

.tr {
  display: table-row;
}

.td {
  display: table-cell;
  background-color: #2d2d30;
  padding: 0 16px;
  max-width: 0;
}

.td > h3 {
  text-align: center;
}

.float-left {
  float: left;
  margin-right: 32px;
}

a:link, a:visited {
  color: #f1f1f1;
  text-decoration: none;
}

a:hover, a:active {
  color: #e02020;
}
