html, body {
  height: 100%;
  font-family: 'Open Sans', sans-serif
}

body {
  display: flex;
  align-items: center;
  justify-content: flex-center;
  flex-direction: column;
  background-color: teal;
}

#message, #notes {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#message {
  font-size: 1.5rem;
}

.board {
  display: flex;
  flex-wrap: wrap;
}

.board div {
  color: tan;
  font-size: 2rem;
  width: 75px;
  height: 75px;
  border-radius: 10%;
  background-color: rgb(220, 255, 255);
  margin: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.board div:hover {
  background-color: rgb(196, 195, 195);
}

div.mine, div.mine:hover {
  background: no-repeat center/60% url("images/trump.jpeg") crimson;
}

div.hidden {
  background: #eee;
}

div.hidden:hover {
  background: #ccc;
}

div.marked, div.marked:hover {
  background: no-repeat center/60% url("images/pirateflag.png") white;
}

.resetgame {
  display: inline-block;
  font-weight: 900;
  padding: 0 30px;
  height: 30px;
  border: 1px solid #e2e2e2;
  font-size: 17px;
  background-color: teal;
  color: black;
  margin-top: 25px;
}
.resetgame:hover {
  color: tan
}