.base {
  margin-top: 50px;
}
.video-title {
  color: #f0f0f0;
  padding: 15px 0;
  text-align: center;
  font-size: 25px;
  background-color: #0e58c8;
}
.base-detail {
  width: 83rem;
  display: grid;
  grid-template-columns: 33% 33% 33%;
  grid-row-gap: 20px;
  grid-column-gap: 0.5%;
  margin: 0 auto;
}

.base-li {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.base-li img {
  width: 70%;
  height: 70%;
  cursor: pointer;
}

.base-li span {
  text-align: center;
  color: #525050;
  font-size: 14px;
  padding-top: 10px;
}

.base-li span:hover {
  color: #0e58c8;
}

.player-title {
  font-size: 28px;
  color: #868686;
  text-align: center;
  padding-top: 40px;
}

.player {
  width: 960px;
  height: 540px;
  margin: 30px auto;
}

.player video {
  height: 100%;
  width: 100%;
}