*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    margin-top: 20px;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    background-color: beige;
}
hr{
    width: 500px;
    height: 5px;
    background-color: rgb(0, 0, 0);
    margin: 40px auto;
}
.board{
    width: 450px;
    height: 450px;
    margin: 20px auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-content: center;
    border-radius: 4px;
}
.tile {
    width: 140px;
    height: 140px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 4rem;
}

.horizontal-line {
    border-bottom: 3px solid black;
}
.vertical-line {
    border-right: 3px solid black;
}
.winner {
    background-color: rgb(195, 255, 195);
    color: rgb(0, 0, 0);
}


/* From Uiverse.io by KSAplay */ 
button {
    background-color: #43b426;
    color: rgb(0, 0, 0);
    font-size: 16px;
    font-weight: bold;
    padding: 15px 20px;
    border-radius: 2em;
    cursor: pointer;
    transition: 0.1s ease;
    border-width: 0;
    box-shadow: 1px 5px 0 0 #0e5d2c;
  }
  
  button:hover {
    transform: translateY(-4px);
    box-shadow: 1px 9px 0 0 #0e5d22;
  }
  
  button:active {
    transform: translateY(4px);
    box-shadow: 0px 0px 0 0 #0e5d1a;
  }

  .result{
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-weight: bold;
  }