*
{
    margin: 0;
    padding: 0;
}
body
{
    background-color: #F2A2B4;
}
#container
{
    height: 550px;
    display: flex;
    justify-content: center;
    align-items: center;
}
#main
{
    height: 390px;
    width: 300px;
    background-color: #a2f2e0;
}
#content
{
    margin: 15px 45.5px;
    display: grid;
    grid-template-columns: 70px 70px 70px;
    grid-template-rows: 70px 70px 70px;

}
.square
{
    height: 70px;
    width: 70px;
    background-color: white;
    border: 4px solid black;
    font-size: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}
#sq0,#sq1,#sq2
{
    border-top: none;
}
#sq0,#sq3,#sq6
{
    border-left: none;
}
#sq2,#sq5,#sq8
{
    border-right: none;
}
#sq6,#sq7,#sq8
{
    border-bottom: none;
}
#btn_restart
{
    margin-left: 113px;
    margin-top: 15px;
    width: 80px;
    height: 25px;
}
#btn_restart:hover
{
    background-color: black;
    color: white;
    transition: background-color 2s;
}