.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    text-align: center;
    padding-top: 10px;
}

.rwd-table {
    background: #fff;
    overflow: hidden;
}

.rwd-table tr:nth-of-type(2n){
    background: #eee;
}
.rwd-table th,
.rwd-table td {
    margin: 0.5em 1em;
}
.rwd-table {
    min-width: 100%;
}

.rwd-table th {
    display: none;
}

.rwd-table td {
    display: block;
}

.rwd-table td:before {
    content: attr(data-th);
    font-weight: bold;
    width: 6em;
    display: inline-block;
}

.rwd-table th, .rwd-table td {
    text-align: left;
}

.rwd-table th, .rwd-table td:before {
    color: #0044ff;
    font-weight: bold;
}

@media (min-width: 850px) {
    .rwd-table td:before {
        display: none;
    }
    .rwd-table th, .rwd-table td {
        display: table-cell;
        padding: 0.25em 0.5em;
    }
    .rwd-table th:first-child,
    .rwd-table td:first-child {
        padding-left: 0;
    }
    .rwd-table th:last-child,
    .rwd-table td:last-child {
        padding-right: 0;
    }
    .rwd-table th,
    .rwd-table td {
        padding: 1em !important;
    }
}



.error {
    color:red;
}

.image-button {
	border: 2px solid #ccc;       /* 邊框 */
	border-radius: 10px;          /* 圓角 */
	padding: 4px;                 /* 內距讓圖片不貼邊 */
	transition: 0.3s ease-in-out; /* 平滑過渡效果 */
	display: inline-block;
}

.image-button:hover {
	border-color: #007bff;        /* hover 邊框顏色 */
	box-shadow: 0 0 10px rgba(0,123,255,0.4); /* hover 陰影 */
	transform: scale(1.03);       /* 微微放大 */
}

.image-button img {
	border-radius: 10px; /* 圖片本身也圓角 */
	display: block;
}