h2 {
  margin: 0 0 40px;
}

.cf:before,
.cf:after {
  content: ' ';
  display: table;
}

.cf:after {
  clear: both;
}

.progress-wrapper {
  position: relative;
  margin: 20px auto;
  font-size: 40px;
}

.current {
  position: absolute;
  color: #bbb;
  font-weight: 100;
  line-height: 1;
  z-index: 2;	/* Show above the gauge control, so text won't get covered by innerCircleFill */
}

round-progress {
  margin: auto;
}

.container {
  width: 100%;
  max-width: 650px;
  margin: 40px auto 80px;
  text-align: center;
  padding: 40px;
  background: #fff;
  border: solid 1px #ccc;
  border-radius: 4px;
}

button {
  display: inline-block;
  padding: 10px 20px;
  background: #45ccce;
  color: #fff;
  font-size: 16px;
  border: none;
  cursor: pointer;
  border-radius: 4px;
  text-align: center;
  margin: 0 5px 5px 0;
}

form {
  text-align: left;
  max-width: 350px;
  margin: 30px auto;
}

form > div {
  margin-bottom: 15px;
}

input,
select {
  float: right;
  padding: 5px;
  width: 150px;
}

input[type='checkbox'] {
  width: auto;
}

input[type='color'] {
  height: 30px;
}

.back {
  position: fixed;
  top: 5px;
  right: 5px;
}

@media (max-width: 650px) {
  .back {
    position: static;
    display: block;
    text-align: center;
  }

  h2,
  .back {
    margin-bottom: 20px;
  }

  input,
  select {
    width: 100%;
    margin-top: 5px;
    float: none;
  }

  .container {
    margin: 0 auto 50px;
    padding: 25px;
  }
}
