tic.css

<style>
    /* CSS Code */
    /* Heading */
    h1 {
        color: #65e6f7;
        font-size: 45px;
    }
    body{
        background: white;
    }
 
    /* 3*3 Grid */
    #b1, #b2, #b3, #b4, #b5,
    #b6, #b7, #b8, #b9 {
        width: 80px;
        height: 52px;
        margin: auto;
        border: 10px solid hsl(152, 58%, 62%);
        border-radius: 10px;
        font-size: 30px;
        text-align: center;
    }
 
    /* Reset Button */
    #but {
        box-sizing: border-box;
        width: 95px;
        height: 40px;
        border: 1px solid #c57fee;
        margin: auto;
        border-radius: 4px;
        font-family: Verdana,
            Geneva, Tahoma, sans-serif;
 
        background-color: blueviolet;
        color: white;
        font-size: 20px;
        cursor: pointer;
    }
 
    /* Player turn space */
    #print {
        font-family: Verdana,
            Geneva, Tahoma, sans-serif;
 
        color: #57f157;
        font-size: 20px;
    }
 
    /* Main Container */
    #main {
        text-align: center;
    }
 
    /* Game Instruction Text */
    #ins {
        font-family: Verdana,
            Geneva, Tahoma, sans-serif;
             
        color: #e70a0ae7;
        font-size: 30px;
    }
</style>
Filename: tic.js 

// Function called