body {
  height: 95vh;
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

a {
  color: black;
  text-decoration: none;
}

a:hover {
  color: blue;
}

main {
  width: 50%;
  min-width: 300px;
  max-width: 500px;
  margin: 0 auto;
}

.panel {
  height: 15vh;
  margin: 0 auto;
  border-radius: 10px;
}

.panel-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.btn {
  padding: 3px 10px 0 10px;
}

.info-btn {
  text-align: right;
}

.hexclock {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.digit {
  width: 4rem;
  font-size: 3rem;
  text-align: center;
}

.panel-front, .panel-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
}

.panel-back {
  border-radius: 10px;
  transform: rotateY(180deg);
}

.info {
  margin: 0 1rem;
}

.info h1 {
  margin: 0 10px;
}

.info p {
  margin: 5px 10px;
  text-align: left;
}

.github-link {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 3px 10px 0 0;
}

.username {
  padding-left: 3px;
}

@media (min-width: 2560px) {
  body {
    font-size: 2rem;
  }

  main {
    max-width: 768px;
  }

  .digit {
    width: 5rem;
    font-size: 4rem;
  }
}