body
{
    width:100%;
    margin:0 auto 0 auto;
}

.card_content
{
    margin-top:100px;
    
}

.Image1
{
    position: absolute;
    top: 160px;
    right: 20px;
    border: solid 0px #7f7f7f;
    height: 400px;
    width: 600px;
}


#ecard 
{
    text-align:center;
    width:800px;
    height:900px;
    margin-left:auto;
    margin-right:auto;
    
    
    
}

.Imagebg {
    /*height:600px;
    width:800px;*/
    
    
    
}

#demopic 
{
    /*position: absolute;*/ 
    /*height:600px;
    width:800px;
    text-align:center;
    margin:0px auto 0px auto;*/
}

/* 样式美化 */
.pagination-container {
    width: 400px;
    margin: 50px auto;
    text-align: center;
}

.content-div {
    border: 1px solid #ddd;
    padding: 30px;
    margin: 20px 0;
    min-height: 100px;
    line-height: 100px;
    font-size: 18px;
    background-color: #f8f9fa;
}

.page-btn {
    padding: 8px 16px;
    font-size: 20px;
    margin: 0 10px;
    border: 1px solid #80b1e7;
    background-color: #80b1e7;
    color: white;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
}

    .page-btn:disabled {
        background-color: #6c757d;
        border-color: #6c757d;
        cursor: not-allowed;
    }

.page-info {
    margin: 0 15px;
    font-size: 16px;
}