*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-image: url('../img/background-wordpress-8.jpg');
    background-origin: border-box;
    background-size: cover;
}
.overlay{
    position: absolute;
    z-index: -1;
    min-width: 100%;
    min-height: 100%;
    background: #000;
    opacity: 0.3;
}
.semafor{
    font-size: 50px;
    text-align: center;
    min-width: 100%;
    padding: 60px;
    font-weight: bold;
    font-family: sans-serif;
    z-index: 1;
    color:#fff;
}
.gamespace {
    width: 100%;
    z-index: 1;
}
.panel{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-gap: 15px;
    width: 390px;
    height: 390px;
    overflow: hidden;
}
.panel button{
    height: 120px;
    width: 120px;
    border: none;
    background: #656468;
    font-size: 65px;
    font-weight: bold;
    text-align: center;
}
.panel button:disabled{
    color: #fff;
}
.panel{
    margin: 0 auto;
}
@media(max-width:750px){
    .panel{
        grid-gap: 5px;
    }
    .semafor{
        font-size: 25px;
    }
}