* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    height: 100vh;
    width: 100%;
    background: radial-gradient(circle, rgba(130,6,50,1) 32%, rgba(20,9,9,1) 100%);
  }

h1{
    text-align: center;
    color:  #ffffff;
    font-family: "Poppins" , sans-serif;
    padding-top: 30px;
}
  
  .board {
    display: grid;
    width: 100%;
    height: 100%;
    display: grid;
    justify-content: center;
    align-content: center;
    justify-items: center;
    align-items: center;
    grid-template-columns: repeat(3, auto);
  }
  
  .board.x .cell:not(.x):not(.circle):hover::after,
  .board.x .cell:not(.x):not(.circle):hover::before,
  .board.circle .cell:not(.x):not(.circle):hover::after,
  .board.x .cell:not(.x):not(.circle):hover::before {
    background: rgba(255, 255, 255, 0.3) !important;
  }
  
  /* Célula */
  .cell {
    width: 100px;
    height: 100px;
    border: 2px solid white;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
  }


  .cell.x,
  .cell.circle {
    cursor: not-allowed;
  }
  
  /* Removemos as bordas laterais para formar o jogo da velha*/
  .cell:nth-child(1),
  .cell:nth-child(2),
  .cell:nth-child(3) {
    border-top: none;
  }
  
  .cell:nth-child(1),
  .cell:nth-child(4),
  .cell:nth-child(7) {
    border-left: none;
  }
  
  .cell:nth-child(7),
  .cell:nth-child(8),
  .cell:nth-child(9) {
    border-bottom: none;
  }
  
  .cell:nth-child(3),
  .cell:nth-child(6),
  .cell:nth-child(9) {
    border-right: none;
  }
  
  /* X */
  .cell.x::before,
  .cell.x::after,
  .board.x .cell:not(.x):not(.circle):hover::after,
  .board.x .cell:not(.x):not(.circle):hover::before {
    content: "";
    height: calc(100px * 0.15);
    width: calc(100px * 0.9);
    background: white;
    position: absolute;
  }
  
  .cell.x::before,
  .board.x .cell:not(.x):not(.circle):hover::before {
    transform: rotate(45deg);
  }
  
  .cell.x::after,
  .board.x .cell:not(.x):not(.circle):hover::after {
    transform: rotate(-45deg);
  }
  
  /* Circle */
  .cell.circle::before,
  .cell.circle::after,
  .board.circle .cell:not(.x):not(.circle):hover::after,
  .board.circle .cell:not(.x):not(.circle):hover::after {
    content: "";
    height: calc(100px * 0.9);
    width: calc(100px * 0.9);
    background: white;
    position: absolute;
    border-radius: 50%;
  }
  
  /* Mensagem de Vitória */
  .winning-message {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.8);
    flex-direction: column;
  }
  
  /* CSS Botão Reiniciar*/
  .winning-message-button {
    font-size: 2.5rem;
    background: rgb(130,6,50);
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 5px;
    border: none;
    margin-top: 16px;
    color: white;
  }
  
  .winning-message-button:hover {
    color:rgb(130,6,50);
    background-color: white;
  }
  
  /* Mensagem de Fim de Jogo*/
  .winning-message-text {
    color: white;
    font-size: 5rem;
  }
  
  .show-winning-message {
    display: flex;
  }



/* Footer CSS */
footer{
    display: flex;
    align-items: center;
    justify-content: center;
	background: transparent;
	box-sizing: border-box;
	width: 100%;
	font: bold 16px sans-serif;
}

/* Footer Title */

footer h3{
	color:  #ffffff;
	font-family: "Poppins" , sans-serif;
    font-size: 1.5rem;
	margin: 0 0 10px;
}

/* Footer Icones Redes Sociais */

 .footer-icons{
    display: flex;
    align-items: center;
    justify-content: center;
	margin: 20px auto;
    
}

 .footer-icons a{
	display: inline-block;
	width: 35px;
	height: 35px;
	cursor: pointer;
	background-color:  black;
	border-radius: 50px;
	font-size: 20px;
	color: #ffffff;
	text-align: center;
	line-height: 35px;
	margin-right: 3px;
	margin-bottom: 5px;
}

.footer-icons a:hover{
    background-color: white;
    color:rgb(130,6,50);
}