html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    width: 100% !important;
    height: 100% !important;
    background-color: #e9ecef !important;
    font-family: "微軟正黑體" !important;
}

.mycard {
    margin-left: 10px;
    border-radius: 12px !important;
}

.row-wrapper-footer {
    margin: auto;
}

@media screen and (max-width: 500px) {
    #top {
        font-size: 40px !important;
        text-align: center;
    }
}

@media screen and (max-width: 500px) {
    #top {
        font-size: 40px !important;
        text-align: center;
    }
}


/* Extra small devices (portrait phones, less than 576px) */

@media (max-width: 575.98px) {
    .card {
        width: 8rem !important;
        margin: auto !important;
    }
    .card-body div {
        font-size: 10px;
    }
    .card-body {
        padding: 10px 15px 10px 15px !important;
    }
    .row-wrapper {
        padding-left: 5px;
        padding-right: 5px;
        margin: auto;
    }
}


/* Small devices (landscape phones, 576px and up) */

@media (min-width: 576px) and (max-width: 767.98px) {
    .card {
        width: 12rem !important;
        margin: auto !important;
    }
    .row-wrapper {
        padding-left: 20px;
        padding-right: 20px;
        margin: auto;
    }
}


/* Medium devices (tablets, 768px and up) */

@media (min-width: 768px) and (max-width: 991.98px) {
    .card {
        width: 13rem !important;
        margin: auto !important;
    }
    .row-wrapper {
        padding-left: 25px;
        padding-right: 25px;
        margin: auto;
    }
}


/* Large devices (desktops, 992px and up) */

@media (min-width: 992px) and (max-width: 1199.98px) {
    .card {
        width: 13rem !important;
        margin: auto !important;
    }
    .row-wrapper {
        padding-left: 30px;
        padding-right: 30px;
        margin: auto;
    }
}


/* Extra large devices (large desktops, 1200px and up) */

@media (min-width: 1200px) {
    .card {
        width: 18rem !important;
        margin: auto !important;
    }
    .row-wrapper {
        padding-left: 50px;
        padding-right: 50px;
    }
}