* {
  box-sizing: border-box;
}
body {
  padding: 0;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  user-select: none;
  background-color: #23202a;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.game {
  max-width: 300px;
  padding: 0 10px;
}
.title {
  background-color: #ff3263;
  padding: 10px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 30px;
  font-weight: 600;
  color: #fff;
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
  text-shadow: 1px 1px 1px #919191, 1px 2px 1px #919191, 1px 3px 1px #919191, 1px 18px 6px rgba(16, 16, 16, 0.4);
  position: relative;
  border: 2px solid #ff3263;
  box-shadow: inset 8px 8px 20px rgba(0, 0, 0, .6) ;
}

.board {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin: 20px 0;
}
.board .cell {
  width: 85px;
  height: 85px;
  background-color: #ff3263;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 50px;
  font-weight: bold;
  color: #fff;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  -ms-border-radius: 5px;
  -o-border-radius: 5px;
  text-shadow: 1px 1px 1px #919191, 1px 2px 1px #919191, 1px 3px 1px #919191,
    1px 4px 1px #919191, 1px 18px 6px rgba(16, 16, 16, 0.4),
    1px 22px 10px rgba(16, 16, 16, 0.2), 1px 25px 35px rgba(16, 16, 16, 0.2),
    1px 30px 60px rgba(16, 16, 16, 0.4);
    border: 3px solid #ff3263;
    box-shadow: inset 8px 8px 20px rgba(0, 0, 0, .5) , inset -5px -5px 20px rgba(0, 0, 0, .1) , 0 0 10px rgba(255, 255, 255, .1)  ;
}
.reset{
    color: #eee;
    background-color: #ff3263;
    font-size: 20px;
    font-weight: 700;
    height: 45px;
    width: 150px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius:5px ;
    -webkit-border-radius:5px ;
    -moz-border-radius:5px ;
    -ms-border-radius:5px ;
    -o-border-radius:5px ;
    border: 2px solid #ff3263;
    box-shadow: inset 3px 3px 20px rgba(0, 0, 0, .5) , inset -3px -3px 20px rgba(0, 0, 0, .1) , 0 0 10px rgba(255, 255, 255, .1) ;
    transition: all .3s linear;
    -webkit-transition: all .3s linear;
    -moz-transition: all .3s linear;
    -ms-transition: all .3s linear;
    -o-transition: all .3s linear;
    opacity: .8;
}
.reset:hover{
    opacity: 1;
}