body{
  margin:0%;
}

.screen{
  width:100vw;
  height: 100vh;
  background-color: #44444444;
  padding:0%;
}

.gameplay{
  height: calc(100vh - 80px);
}

.selectMenu{
  display:flex;
  height:80px;
  background-color:#000;
  align-items:center;
}
.selectMenu > button{
  width: 20%;
  height:80%;
  margin:0px auto;
  border-radius: 100px;
}