body::before {
    background: url( /img/%E8%83%8C%E6%99%AF_2026.png ) no-repeat center;
    background-size: cover;
    content: "";
    position: fixed;
    top: 0px;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100vh;
}





.button_active_color {
    color : #ffffff !important;
    background-color : #0303a5 !important;
    border : 0px solid #0303a5 !important;
}

.button_back_color {
    color : #ffffff !important;
    background-color : #444f55 !important;
    border : 0px solid #444f55 !important;
}

.button_disable_color {
    color : #ffffff !important;
    background-color : #d1d1d1 !important;
    border : 0px solid #d1d1d1 !important;
}