*,
*::before,
*::after {
  box-sizing: border-box;
}

.header{
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: flex-start;
}

.keyword {
  width: 30em;
}

.keyword:focus {
  border: 2px solid blue;
}

.keyword:placeholder-shown {
  font-style: italic;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  padding-top: 10px;
}

.cards_item {
  display: flex;
  width: 388px;
}

.card_video {
  height: 207px;
}

iframe {
  height: 100%;
  width: 100%;
}

.card {
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow: visible;
}

.videotitle {
  padding: 0;
  padding-top: 0.5em;
  overflow: visible;
}

/*Merge score-content and scores*/
/*Merge card-item and card */

.score-content {
  height: 100px;
  width: 100%;
  background-color: transparent;
  display: none;
  overflow: visible;
  padding-top: 20px;
}

.score-content-visible {
  display: flex;
}

.scores {
  display: flex;
  position: relative;
}

.score-container{
  display: flex;
  align-self: flex-end;
  height: 80px;
}

.score-bar{
  align-self: flex-end;  
  border: 1px solid blue;
  background-color: #075FC0;
}

.score-container:hover {
  background-color: #DDD;
  cursor: pointer;
}

.score-container:hover .score-bar{
  background-color: #649ff7;
}

.chapter {
  font-size: smaller;
  display: none;
  position: absolute;
  left: 0px;
  top: -20px;
  line-height: 20px;
  overflow: visible;
}


.score-container:hover .chapter {
  display: block;
}