.wrapper {
    display: flex;
    flex-direction: column;
/*    justify-content: center; */
    align-items: center; 
}

#bet {
    display: inline-block;
}

#spinMachine {
    padding: 10px 10px 0px 10px;
    width: 310px;
    height:105px;
    border: 5px solid goldenrod;
}

.picture {
    width: 100px;
    height: 100px;
    animation-duration: 2s;
    animation-name: spin;
}

/*
@keyframes spin {
    from {
        transform: rotateX(2000deg);
    }
    to {}
}

#spin {
    padding: 8px 15px;
    color: #ffffff;
    border-radius: 2px;
    background-image: linear-gradient(180deg, #FFEB3B 0%, #F57F17 100%);
    cursor: pointer;
}
*/

#spin:disabled {
    opacity: 0.3;
}

#message {
    color: red;
    font-size: 130%;
}

h1 {
    text-align: center;
}

div.bank {
    margin-top: 10px;
}

div.bank > label {
    display: inline-flex;
}

div.bet {
    margin-top: 5px;
}

div.bet > label {
    display: inline-flex;
}

footer {
    margin-top: auto;
}

div.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    background-color: gainsboro;
    display: flex;
    flex-direction: column;
    align-items: center; 
}

div.footer > p {
    margin-top: 5px;
    margin-bottom: 0px;
}

div.footer > p > a {
    cursor:default;/*マウスカーソルを矢印のまま変えない*/
    text-decoration:none;/*下線を消す*/
    color:#000000;/*非リンクの文字色と同じにする*/
}