@import url("https://fonts.googleapis.com/css?family=Nunito");

*,
*:before,
*:after {
  -webkit-box-sizing: inherit;
  -moz-box-sizing: inherit;
  box-sizing: inherit;
}

html {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  font-size: 10px;
}

body {
  padding: 0;
  margin: 0;
  font-family: "Nunito", sans-serif;
  background: #fff9e2;
  text-align: center;
}

h1 {
  font-size: 4.5rem;
  line-height: 1;
  margin: 2rem 0 0 0;
  color: #ff7660;
}

h2 {
  font-size: 3rem;
  color: #3b1010;
  margin: 2rem;
}

.score {
  background: #ffe5cf;
  padding: 0 3rem;
  line-height: 1;
  -webkit-border-radius: 1rem;
  -moz-border-radius: 1rem;
  border-radius: 1rem;
  color: #3b1010;
}

.game {
  width: 600px;
  height: 400px;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  flex-wrap: wrap;
  margin: 0 auto;
}

.hole {
  flex: 1 0 33.33%;
  overflow: hidden;
  position: relative;
}

.hole:after {
  display: block;
  background: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/1159990/dirt.svg")
    bottom center no-repeat;
  background-size: contain;
  content: "";
  width: 100%;
  height: 70px;
  position: absolute;
  z-index: 2;
  bottom: -30px;
}

.mole {
  background: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/1159990/mole.svg")
    bottom center no-repeat;
  background-size: 60%;
  position: absolute;
  top: 100%;
  width: 100%;
  height: 100%;
  transition: all 0.4s;
}

.hole.up .mole {
  top: 0;
}

#start {
  font-family: "Nunito", sans-serif;
  display: inline-block;
  text-decoration: none;
  border: 0;
  background: #3b1010;
  color: #fff;
  font-size: 2rem;
  padding: 1rem 2rem;
  cursor: pointer;
  margin: 1rem;
}

#start:hover {
  opacity: 0.8;
}