html {
  box-sizing: border-box;
  font-size: 10px;
  background: #800000;
}

*, *:before, *:after {
  box-sizing: inherit;<font color="#ffffff"></font>
}

body 
{padding: 0;
 margin: 0; 
 font-family: Arial}

h1 {
  text-align: center;
  font-size: 5rem;
  line-height: 1;
  margin-bottom: 0;
}

.score 
{background: maroon; 
padding: 0 3rem; 
line-height: 1; 
border-radius: 1rem}

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

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

.hole:after {
  display: block;
  background: url('Tombe.gif') bottom center no-repeat;
  background-size: contain;
  content: '';
  width: 100%;
  height:100px;
  position: absolute;
  z-index: 2;
  bottom: -30px;
}

.mole {
  background: url('worm.png') bottom center no-repeat;
  background-size: 60%;
  position: absolute;
  top: 100%;
  width: 100%;
  height: 100%;
  transition:all 0.4s;
}

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