body {
  padding: 20px 20px 4px 20px;
  height: 100vh;
  background-color: #f0f0f0;
}

.header {
  height: 45px;
  padding-bottom: 10px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
}

.video-title {
  height: 40px;
}

.video-title img {
  height: 100%;
}

.dummy {
  width: 103px;
  visibility: hidden;
  font-size: 12px;
}

.main {
  height: calc(100% - 55px);
}

.top-row {
  display: flex;
  padding-bottom: 20px;
  height: 45%;
}

.chart {
  height: 55%;
  border-radius: 4px;
  border: 1px solid #ccc;
  padding-top: 8px;
  padding-bottom: 2px;
  background-color: white;
}

.video,
.vf1 {
  flex: 1 1 auto;
  box-sizing: border-box;
}

.vf1 {
  width: 50%;
  border-radius: 4px;
  border: 1px solid #ccc;
  padding-top: 8px;
  padding-bottom: 2px;
  background-color: white;
}

.video {
  width: 50%;
  margin: 0 20px 0 0px;
  padding: 1px;
  background-color: rgb(43, 43, 43);
  border-radius: 4px;
  border: 1px solid #ccc;
}

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