@import url('https://fonts.googleapis.com/css?family=Permanent+Marker');

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

#app {
  width: 100vw;
  height: 100vh;
  background-image: linear-gradient(red, orange);
  position: relative;
}

.board {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-wrap: wrap;
  width: 300px;
  height: 300px;
}

.cell {
  width: 100px;
  height: 100px;
  display: table-cell;
  vertical-align: middle;
  text-align: center;
  font: bold 50px 'Comic Sans MS', sans-serif;
  cursor: pointer;
}

.cell:nth-child(-n+6) {
  border-bottom: 3px solid #fff;
}

.cell:nth-child(2),
.cell:nth-child(5),
.cell:nth-child(8) {
  border-left: 3px solid #fff;
  border-right: 3px solid #fff;
}

.win {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-10deg);
  font-family: 'Permanent Marker', cursive;
  text-align: center;
}

.win h2 {
  font-size: 90px;
  text-shadow: 0 0 50px white;
}

button {
  padding: 12px 20px;
  font-size: 18px;
  cursor: pointer;
  border-radius: 10px;
  border: none;
}