style.css

*{
    margin: 0;
    padding: 0;
}
nav ul{
    list-style-type: none;
}
nav{
    background-color: rgb(77, 21, 128);
    color:white;
    height:70px;
    font-size: 60px;
    display:flex;
    align-items: center;
    padding:5px;
    font-family: "Comfortaa", sans-serif;
    width:auto;
}
.gameContainer
{
    display:flex;
    justify-content: center;
    margin-top: 50px;
}
.container{
    display: grid;
    position: relative;
    grid-template-rows: repeat(3,10vw);
    grid-template-columns: repeat(3,10vw);
    font-family: 'Times New Roman', Times, serif;
}
.box {
    border: 2px solid black;
    font-size: 10vw;
    align-items: center;
    cursor: pointer;
    justify-content: center;
    display: flex; /* Add this line */
}

.box:hover{
    background-color: skyblue;
}
.gameinfo{
    padding:0 34px;
}
.imgbox img
{
width:0;
transition:width is ease-in-out;
}
.br-0{
    border-right: 0;
}
.bl-0{
    border-left: 0;
}
.bt-0{
    border-top: 0;
}
.bb-0{
    border-bottom: 0;
}
#reset
{
    border-radius: 5px;
    padding:4px;
    width:100px;
    height: 30px;
    background-color:  rgb(77, 21, 128);
    border: 1px solid black;
    color: white;
    font-family: "Comfortaa", sans-serif;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;

}
.line
{
    background-color: rgb(72, 34, 84);
    height:4px;
    width:0vw;
    position:absolute;
    transition: width 1s ease-in-out;
}
@media only screen and (max-width: 800px){
  .gameContainer{
    flex-wrap: wrap;
  }
  .gameinfo{
    margin-top: 34px;
  }
  .gameinfo h1{
    font-size: 1.5rem;
  }
  nav{
    font-size:6vw;
    height: auto;
    padding: 1vw;
    width: auto;
  }
  #reset{
    margin-top: 34px;
    display: flex;

  }
}