html, body, div {
    margin: 10;
    padding: 0;
}

#pallet {
   width: 500;
   height: 500;

   margin-top: 50px;
   margin-right: auto;
   margin-bottom: 0px;
   margin-left: auto;

   background-color:#DDD;
   display: block;
}

b0 {color: black;
    font-style: bold;
    font-size: 36px
}
b2 {color: blue;
    font-style: italic
}
r2 {color: red;
    font-style: italic
}
g2 {color: green;
    font-style: italic
}
r1 {color: red;
    font-style: bold;
    font-size: 25px
}
b1 {color: black;
    font-style: bold;
    font-size: 25px
}
g1 {color: green;
    font-style: bold;
    font-size: 25px
}