main.css

html {
  font-size: 16px;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  text-align: center;
}

.df-feature-statics {
  margin: 20px;
}

.df-feature-statics .df-feature-statics__result-table {
  display: table;
  width: 100%;
  margin: auto;
  max-width: 500px;
  border-collapse: collapse;
}

.df-feature-statics__result-table caption {
  margin: 0 0 20px;
}

.df-feature-statics__result-table th,
.df-feature-statics__result-table td {
  font-weight: normal;
  padding: 5px;
  border-left: 4px solid lightgrey;
}

.df-feature-statics__result-table th {
  /*border-top: 1px dotted lightgrey;*/
  border-bottom: 1px dotted lightgrey;
}

.df-feature-statics__result-table td {
  border-top: 1px dotted lightgrey;
  /*border-bottom: 1px dotted lightgrey;*/
}

.df-feature-statics__result-table .df-feature-statics__available-title,
.df-feature-statics__result-table .df-feature-statics__available-count {
  border-color: yellowgreen;
}

.df-feature-statics__result-table .df-feature-statics__unavailable-title,
.df-feature-statics__result-table .df-feature-statics__unavailable-count {
  border-color: lightslategrey;
}

.df-feature-statics.df-feature-statics--not-ready .df-feature-statics__result-table {
  display: none;
}

.df-feature-statics .df-feature-statics__loading {
  display: none;
}

.df-feature-statics.df-feature-statics--not-ready .df-feature-statics__loading {
  display: block;
}

.df-feature-section--filtered .df-feature-card {
  display: none;
}

.df-feature-section--filtered .df-feature-section__item--filtered {
  display: inline-block;
}

.df-feature-filter__input {
  width: 50%;
  font-size: .9em;
  padding: 8px;
  margin: 1em;
}

.df-feature-card {
  display: inline-block;
  color: rgba(0, 0, 0, .86);
  border-radius: 2px;
  box-shadow: 2px 2px 8px 0 lightgrey;
  margin: 20px;
  outline: none;
  cursor: pointer;
  vertical-align: top;
  position: relative;
  min-width: 111px;
}

@media screen and (max-width: 480px) {
  .df-feature-card {
    width: 80%;
    margin: 15px 10%;
  }
}

.df-feature-card__header {
  border-left: 8px solid lightgrey;
  border-bottom: 1px dotted lightsteelblue;
  padding: 15px;
}

.df-feature-active .df-feature-card__header {
  border-color: yellowgreen;
}

.df-feature-inactive .df-feature-card__header {
  border-color: lightslategrey;
}

.df-feature-card__name {
  margin: 0;
}

.df-feature-card__body {
  position: relative;
}

.df-feature-card__description {
  text-align: left;
  position: absolute;
  top: 1px;
  left: 0;
  margin: 0;
  padding: 0;
  background: rgb(130, 155, 235);
  box-shadow: 2px 2px 8px 0 royalblue;
  color: white;
  line-height: 1.5;
  font-size: .9em;
  border-radius: 0 0 4px 4px;
  display: inline-block;
  width: 100%;
  opacity: 0;
  overflow: hidden;
  -o-transform: scaleY(0);
  -ms-transform: scaleY(0);
  -moz-transform: scaleY(0);
  -webkit-transform: scaleY(0);
  transform: scaleY(0);
  -o-transform-origin: top;
  -ms-transform-origin: top;
  -moz-transform-origin: top;
  -webkit-transform-origin: top;
  transform-origin: top;
  -o-transition: opacity, -o-transform .2s ease-in-out;
  -moz-transition: opacity, -moz-transform .2s ease-in-out;
  -webkit-transition: opacity, -webkit-transform .2s ease-in-out;
  transition: opacity, transform .2s ease-in-out;
}

.df-feature-card:focus,
.df-feature-card.df-active {
  z-index: 1;
}

.df-feature-card:focus .df-feature-card__description,
.df-feature-card.df-active .df-feature-card__description {
  padding: 20px 15px;
  opacity: 1;
  -o-transform: scaleY(1);
  -ms-transform: scaleY(1);
  -moz-transform: scaleY(1);
  -webkit-transform: scaleY(1);
  transform: scaleY(1);
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.df-feature-card__property {
  color: steelblue;
  margin: 0;
  padding: 20px;
  text-align: center;
}