body{
    background: #90ee90;
    text-align: center;
}
.red{
    color: red;
}
.dice{
    display: flex;
    justify-content: center;
}
.saikoroA{
    margin-right: 10px;
}
.saikoroB{
    margin-left: 10px;
}
.success{
    color: red;
    font-size: 20px;
    font-weight: bold;
    margin-top: 0.5px;
}
.failure{
    color: blue;
    font-size: 20px;
    font-weight: bold;
    margin-top: 0.5em;
}
.none{
    display: none;
}