* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size: 100%;
  outline: 0;
  border: 0;
}

body {
  background: #0f2027;
  background: -webkit-linear-gradient(to right, #2c5364, #203a43, #0f2027);
  background: linear-gradient(to right, #2c5364, #203a43, #0f2027);
  font-family: "Poppins", sans-serif;
}

#join-btn {
  margin-top: -50px;
  margin-left: -100px;
  font-size: 18px;
  padding: 20px 40px;
}

#video-streams {
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  margin: 0 auto;
  width: 95%;
}

.video-container {
  max-height: 100%;
  border: 2px solid black;
  background-color: #203a49;
}

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

#stream-controls {
  margin-top: 0.5em;
}

#stream-controls > * {
  margin: 0 auto;
  padding: 20px;
  width: 80px;
}

button {
  border: none;
  background-color: cadetblue;
  color: #fff;
  font-size: 25px;
  margin: 2px;
  cursor: pointer;
}

#cam-btn {
  background-color: #008000;
}

#mic-btn {
  background-color: #008000;
}

#leave-btn {
  background-color: #ff0000;
}

.footer {
  margin: 20px;
}

@media screen and (max-width: 1020px) {
  #video-streams {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}