* {
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  font-weight: 100;
  line-height: 1.4;
}

.dark {
  background-color: #2e373c;
  color: #fff;
}

.light {
  background-color: #fff;
  color: #2e373c;
}

header {
  padding: 6rem 0;
}

.dark > section {
  background-color: #313b40;
}

.light > section {
  background-color: #f5f5f5;
}

h1, h2, h3 {
  font-weight: 300;
  text-align: center;
  text-transform: uppercase;
}

h2 {
  font-size: 28px;
}

h3 {
  font-weight: 500;
}

p {
  text-align: center;
}

.button {
  color: rgba(68, 197, 147, 1);
  background-color: rgba(68, 197, 147, .0);
  border: 0;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(68, 197, 147, 1);
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  display: inline-block;
  height: 50px;
  /*width: 132px;*/
  padding: 1rem 2rem;
  outline: 0;
  transition-property: background-color, color, box-shadow;
  transition-delay: 0s;
  transition-duration: .2s;
  transition-timing-function: ease;
}

.button:hover {
  color: #2e373c;
  background-color: rgba(68, 197, 147, 1);
}

.button:active {
  /*background-color: rgba(68, 197, 147, 0);*/
  box-shadow: 0 0 0 3px rgba(68, 197, 147, 1);
}

.button-group {
  display: flex;
  justify-content: space-between;
}

.button-group > .button {
  flex-grow: 1;
  margin: 0 .25rem;
}


@media screen and (max-width: 640px) {
  .button-group {
    display: block
  }
  .button-group > .button {
    margin-bottom: 1rem;
    width: 100%;
  }
}


pre {
  white-space: inherit;
}

code {
  color: #fff;
  display: block;
  font-weight: 300;
}

.code-comment {
  color: #696969;
}
.code-el {
  color: #f55463;
}
.code-attr {
  color: #f4d157;
}
.code-prop {
  color: #44c593;
}

.container {
  margin: 0 auto;
  max-width: 620px;
  padding: 0 1rem;
}

.pane {
  /*background-color: #2e373c;*/
  background-color: #313b40;
  border: 1px solid rgba(0, 0, 0, .15);
  border-radius: 3px;
  padding: 1rem;
}


.logo {
  display: block;
  margin: 0 auto;
  width: 100%;
  max-width: 478px;
}

.lead {
  font-size: 20px;
  text-align: center;

}