.video-wrapper {
  position: relative;
  overflow: hidden;
  width: 100%;
  margin: auto;
}

video {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.video-controls {
  visibility: hidden;
  position: absolute;
  /* // height of controls container */
  bottom: 5%;
  width: 50%;  

  /* left: 50%; */
  padding: 7px;
  background: rgba(0, 0, 0, 0);
  -webkit-transform: translate(50%, 0%);
  transform: translate(50%, 0%);
  -webkit-transition: 1s ease-out;
  transition: 1s ease-out;
  display: flex;
  justify-content: space-evenly;
}

.video-wrapper:focus > .video-controls,
.video-wrapper:hover > .video-controls {
  visibility: visible;
  transition: 0.5s ease-in-out;
 
}

/* Video controls */
.btn {
  padding: 5px 0;
  width: 31px;
  font-size: 18px;
  text-align: center;
  color: #fff;
  background-color: transparent;
  border: 0;
  cursor: pointer;
  -webkit-transition: opacity 0.175s ease-in;
  transition: opacity 0.175s ease-in;
}
.btn:focus {
  outline: 0;
}
.btn:hover {
  opacity: 0.25;
}

.btn span {
  font-size: 2em;
}

/* Progress bar */
.progress-bar-fill {
  width: 0;
  height: 4px;
  background-color: #e74c3c;
  -webkit-transition: width 0.35s linear;
  transition: width 0.35s linear;
}

@media only screen and (max-width: 600px) {

  .video-wrapper {
    transform: translateY(-35%);
  }
  .video-controls {
    width: 100%;
    transform: translate(0);
  }
  .btn span {
    font-size: 1em;
  }
}