* {
  padding: 0;
  margin: 0;
  font-family: "Montserrat", sans-serif;
}

.disable-select {
  user-select: none; /* supported by Chrome and Opera */
  -webkit-user-select: none; /* Safari */
  -khtml-user-select: none; /* Konqueror HTML */
  -moz-user-select: none; /* Firefox */
  -ms-user-select: none; /* Internet Explorer/Edge */
}

.container {
  background-color: rgb(203, 203, 203);
  height: 100vh;
  display: grid;
  justify-items: center;
  align-content: center;
  grid-template-columns: 1fr;
}

.game-UI {
  background-color: rgb(218, 218, 218);
  width: 600px;
  height: 600px;
  display: grid;
  justify-items: center;
  align-items: center;
  gap: 20px;
  box-shadow: 1px 1px 5px 1px grey;
  border-radius: 5px;
}

.board {
  display: flex;
  gap: 15px;
  flex-direction: column;
  align-items: center;
}

.grid-container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  height: 450px;
  width: 450px;
}

.grid {
  display: grid;
  justify-content: center;
  align-content: center;
}

.grid:nth-of-type(-n + 6) {
  border-bottom: 3px solid black;
}

.grid:nth-of-type(1),
.grid:nth-of-type(2),
.grid:nth-of-type(4),
.grid:nth-of-type(5),
.grid:nth-of-type(7),
.grid:nth-of-type(8) {
  border-right: 3px solid black;
}

.player-mark {
  font-size: 3rem;
}

.name-input::placeholder {
  color: black;
}

.name-input {
  font-size: 1.3rem;
  padding: 0.4rem 0.5rem;
  width: 12rem;
}

.intro {
  display: grid;
  grid-template-columns: auto 1fr;
  row-gap: 10px;
  align-items: center;
}

.right {
  grid-column: 2 / 3;
}

.left {
  grid-column: 1 / 2;
  padding-right: 0.5rem;
  font-size: 1.4rem;
  font-weight: 600;
}

.button-custom1 {
  padding: 0.3rem 1rem;
  font-size: 1.5rem;
  margin-top: 0.5rem;
}

.button-custom2 {
  padding: 0.3rem 1rem;
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

h5 {
  color: rgb(91, 91, 91);
}

h1 {
  font-size: 2.4rem;
  padding-bottom: 1rem;
}

.message p{
  font-weight: 500;
  font-size: large;
}

.outro {
  display: grid;
  justify-items: center;
  gap: 20px;
}

.hidden {
  display: none;
}

/* Credits to https://github.com/Pety99/tic-tac-toe for the animation*/
.transition {
  -webkit-animation: puff-in-center 0.35s cubic-bezier(0.550, 0.055, 0.675, 0.190) both;
  animation: puff-in-center 0.35s cubic-bezier(0.550, 0.055, 0.675, 0.190) both;
}

@-webkit-keyframes puff-in-center {
  0% {
      -webkit-transform: scale(2);
      transform: scale(2);
      -webkit-filter: blur(4px);
      filter: blur(4px);
      opacity: 0;
  }
  100% {
      -webkit-transform: scale(1);
      transform: scale(1);
      -webkit-filter: blur(0px);
      filter: blur(0px);
      opacity: 1;
  }
}

@keyframes puff-in-center {
  0% {
      -webkit-transform: scale(2);
      transform: scale(2);
      -webkit-filter: blur(4px);
      filter: blur(4px);
      opacity: 0;
  }
  100% {
      -webkit-transform: scale(1);
      transform: scale(1);
      -webkit-filter: blur(0px);
      filter: blur(0px);
      opacity: 1;
  }
}