#play-button {
    width: 8vh;
    height: 8vh;
    align-items: center;
    justify-content: center;
    text-align: -webkit-center;
}

.metronome-container {
    max-width: 600px;
    margin: 0 auto;
}

.title {
    margin-bottom: 0.5vh;
    font-size: 3vh;
    text-align: center;
}

#tempo {
    font-size: 4vh;
}

.bpm {
    font-size: 3vh;
    text-align: center;
}

.tempo-controls {
    margin-top: 1vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-flow: row;
}

.tempo-container {
    margin: 0 15px;
    width:100%
}

button {
    padding: 6px;
    border: none;
    border-radius: 100%;
    width: 8vh;
    height: 8vh;
    margin: 5px;
    background-color: #2a4949;
    color: #e9e9e9;
    cursor: pointer;
}

button:focus {
    outline: none;
}

.created-by {
    margin-top: 40px;
}

a {
    color: #e9e9e9;
}

a:hover {
    color: #356161;
}

.play {
    width: 0;
    height: 0;
    border-top: 2vh solid transparent;
    border-bottom: 2vh solid transparent;
    border-left: 3vh solid #e9e9e9;
    margin-left: 1vh;
}

.pause {
    width: 1vh;
    height: 4vh;
    border: none;
    border-left: 1vh solid #e9e9e9;
    border-right: 1vh solid #e9e9e9;
}

.slidecontainer {
  width: 100%;
  text-align:center;
}

.slider {
  width: 80%;
  height: 3vh;
  background: #d3d3d3;
  outline: none;
  opacity: 0.7;
  -webkit-transition: .2s;
  transition: opacity .2s;
}

.slider:hover {
  opacity: 1;
}