.container {
  text-align: center;
}

h1 {
  font-family: sans-serif;
}

.game-container {
  display: inline-block;
  border: 2px solid;
  border-color: #fff #7d7d7d #7d7d7d #fff;
  padding: 5px;
  background: lightgrey;
  cursor: pointer;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.menu {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
  border: 3px solid;
  border-color: #7d7d7d #fff #fff #7d7d7d;
  padding: 3px 6px;
}

.counter-container {
  display: flex;
  align-items: center;
}

.counter {
  background: black;
  color: red;
  font-family: monospace;
  font-size: 23px;
  border: 1px solid;
  border-color: #7d7d7d #fff #fff #7d7d7d;
}

.reset-button-container {
  display: inline-block;
  border: 1px solid grey;
  border-radius: 2px;
}

.reset-button {
  width: 30px;
  height: 30px;
  box-sizing: border-box;
  border: 2px solid black;
  border-color: #fff #7d7d7d #7d7d7d #fff;
  background: lightgrey;
  font-family: FontAwesome;
  font-size: 20px;
  line-height: 26px;
  text-align: center;
}

.reset-button:active {
  border-top: 1px solid #7d7d7d;
  border-left: 1px solid #7d7d7d;
  border-bottom: 0px;
  border-right: 0px;
}

#grid {
  border-spacing: 0;
  border: 3px solid;
  border-color: #7d7d7d #fff #fff #7d7d7d;
}

.cell {
  background: lightgrey;
  font-family: Verdana;
  font-weight: bold;
  font-size: 13px;
  text-align: center;
  width: 21px;
  height: 21px;
  box-sizing: border-box;
  border-top: 1px solid #7d7d7d;
  border-left: 1px solid #7d7d7d;
}

.cell.covered:not(:active):not(.mine) {
  border: 2px solid black;
  border-color: #fff #7d7d7d #7d7d7d #fff;
}

.cell.flag, .cell.mine {
  font-family: FontAwesome;
  font-weight: normal;
}

.cell.flag {
  color: red;
}

.cell.mine:not(.covered) {
  background: red;
}