body {
    margin: 0px;
    padding: 0px;
    text-align: center;
    -ms-user-select: none;
    -moz-user-select: none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: rgba(255,255,255,0);
}

#title {
    text-align: center;

    margin-top: 10px;
    margin-bottom: 20px;
    font-size: 32px;
    font-weight: bold;
    color: #000000;
}

#note {
    text-align: center;
    margin-top: 0px;
    margin-bottom: 20px;
    font-size: 18px;
    color: #000000;
}

#main {
    width: 580px;
    margin: 0px auto;
    text-align: center;
    padding: 5px;
    border: 1px solid #000000;
    background-color: #efffef;
}


#instance {
    width: 550px;
    padding: 5px;
    margin: 5px auto 10px auto;
    text-align: center;
    font-size: 16px;
    border: 1px solid #000000;
}

span {
    font-size: 16px;
    font-weight: normal;
    text-decoration: none;
    color: #000000;
    padding: 0px 10px;
}

input[type="number"] {
    width: 40px;
    height: 18px;
}

#button {
    width: 80px;
    box-shadow: 1px 1px #8f8f8f;
    padding: 3px 2px;
    border-radius: 5px;
    margin-top: 1px;
    margin-left: 10px;
}

#game {
    width: 420px;
    height: 50px;
    margin: 0px auto 10px auto;
}

@media only screen and (max-width: 360px) {
    #title {
        margin-top: 10px;
        margin-bottom: 10px;
        font-size: 24px;
    }

    span {
        font-size: 10px;
    }

    #main {
        width: 340px;
    }

    #instance {
        width: 300px;
        padding: 3px;
        margin: 2px auto 5px auto;
    }

    #button {
        width: 44px;
        padding: 5px 3px;
        border-radius: 5px;
    }

    #game {
        width: 300px;
        height: 50px;
        margin: 5px auto 0pt auto;
    }

    input[type="number"] {
       width: 20px;
       height: 18px;
    }
}