mainStle.css

*{
    box-sizing: border-box;
    /* background-color: forestgreen; */
    color: white;
    font-family: sans-serif;  
    margin: 0;
    padding: 0;
}

body{
    background-image: url("https://steamuserimages-a.akamaihd.net/ugc/915787086994011927/5C57745B654D7F20DDE1FE0BFF542AE723079DDF/");
    background-position: center;
    /* background-color: #cccccc; */
    background-size: auto
}

header{
    /* display: box; */
    justify-content: center;
    align-items: center;
    padding-left: 20px;
}
#game-grid{
    display: grid;
    justify-items: center;
    justify-content: center;
    grid-gap: 15px;
    grid-template-columns: repeat(2, 201px);    
}
.game-box{
    background-color: white;
    /* color: blueviolet; */
    height: 200px;
    width: 200px;
    border-radius: 20px;
}

#resultBox{
    /* background-color: aquamarine; */
    height: 60px;
    /*width: 250px;*/
    display: flex;
    flex-direction: row ;
    justify-content: center;
    align-items: center;
     /*margin: 0 0 50px 0;*/
}

button{
    background-color: white;
    color: #003a24;
    padding: 0;
    border: none;
    /*background: none;*/
    width:100px;
    height: 30px;
    
}

button:hover{
    border: 3px solid #003a24;
    cursor: pointer;
}

#b{
    display: flex;
    justify-content: center;
}

h3{
    font-size: xx-large;
}

h1{
    padding-top: 10px;
    padding-bottom: 20px;
}