body { 
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    height: 100vh;
    font-size: 0; 
}



.topo {
    margin: auto;
    font-size: 35px;
    text-align: center;
    font-family:'Roboto Slab', serif;
}

.tabuleiro {
    text-transform: uppercase;
    text-align: center;
    text-transform: capitalize;
    font-weight: bold;
    width: 320px; /* isso é largura*/
    margin: auto;
    border-color: transparent;
    padding: 14px;
    
 }

.quadrado{
    text-align: center;
    display: inline-block;
    border: 2px solid #d3d6da;
    padding: 14px;
    box-sizing: content-box;
    line-height: 1;
    vertical-align: middle;
    height: 1em; /*altura*/
    width: 1em;
    font-size: 24px;
    margin: 2px;
}
.qdo-cinza{ 
    background-color: #787c7e;
    color: #ffffff;
    }

.qdo-verde{ 
    background-color: #6aaa64;
    color: #ffffff;
    }

.qdo-amarelo{ 
    background-color: #c9b458;
    color: #ffffff;
    }

.qdo-branco{
    background-color: #ffffff;
    color: black;
}

.teclado{
    text-align: center;
    text-transform: uppercase;
    font-size: 12px;
    margin: auto auto 0px auto;
    width: 100%;
    position: fixed;
    bottom: 10px
    ;
}

.linha{
    display:block;

}

.botao{
    display: inline-block;
    text-align: center;
    width: 45px;
    line-height: 4;
    box-sizing: content-box;
    vertical-align: middle;
    font-size: 10pt;
    margin: 2px;
    border-radius: 5px;
    font-weight: bolder;
    
    
}

.bt-enter{
    width: 60px;
    font-size: 8pt;
    line-height: 5;
}

.bt-cinza-claro{
    background-color: #d3d6da;
    color: black;
}   

.bt-cinza-escuro{
    background-color: #787c7e;
    color: white;
}

.bt-amarelo{
    background-color: #c9b458;
    color: #ffffff;
}

.bt-verde{
    background-color: #6aaa64;
    color:#ffffff ;
}