.pageHeadingAndBanner, .greenBorder01 {
    margin: 0 1.5%;
}
a { margin: 10px auto; }
.CNC_btn { width: 500px;
    height: auto;
    margin: 10px auto;
    text-align: center;
    font-size: 55px;
    line-height: 500px;
    color: white;
    text-shadow: #3F51B5 1px 1px 8px; }
.CNC_btn a{
    color: white; margin: 10px;
}
.CNC { background-image: url("/CustomPage/185/中華文化活動.jpg");
    height: 300px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;}
.CNC_NS { background-image: url("/CustomPage/185/國家安全教育.jpg");
    height: 300px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;}
.CNC_LWL { background-image: url("/CustomPage/185/全方位學習.jpg");
    height: 300px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;}
.CNC_SS { background-image: url("/CustomPage/185/姊妹學校.jpg");
    height: 300px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;}
.CNC_wrapper {
    display: flex;
    flex-wrap: wrap;
    flex-direction: row; }