style.css

#ui, #signin-button, #signout-button {
  display: none;
}

button {
  height: 30px;
  outline: none;
  margin: 25px;
  border: none;
  border-radius: 8px;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, .25);
  cursor: pointer;
  width: 100px;
  background-color: #1e9b2d;
  color: #ffffff
}

blockquote {
  text-align: center;
  background-color: rgba(128, 128, 128, .125);
  font-style: italic;
  margin: 4% 0;
  padding: 4% 0 4% 2%;
  width: 98%;
}

h2 {
  color: rgb(6, 6, 6);
  font-size: 25px;
  font-weight: 300;
  line-height: 32px;
  margin: 0 0 30px;
  text-align: center;
  background-size: cover;
}

section {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}


button.current {
  box-shadow: 0 0 0 2px white,
              0 0 0 4px black;
}

select {
  box-shadow: 2px 2px 4px rgba(0, 0, 0, .25);
  width: 100%;
}

.progress-background {
  background-color: rgba(128, 128, 128, .125);
  width: 100%;
}

.progress-fill {
  border-top: 3px dotted rgba(128, 128, 128, .25);
  display: block;
  height: 3px;
  transition: background-color 250ms ease-in-out, width 50ms ease-in-out;
}

.downloading {
  background-color: rgba(0, 160, 0, 0.146);
}

.finished {
  background-color: rgba(0, 160, 0, .75);
}

.warning {
  background-color: rgba(240, 224, 0, .5);
}

.error {
  background-color: rgba(240, 0, 0, .5);
}