/* 初始化版面 */
html, body {
    height: 100%;
    width: 100%;
    overflow: auto;
}

/* 設定變景圖 */
body {
    background: url("../images/Abstract_4.png") no-repeat center center fixed; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

/* 調整輸入 */
form.form-signin {
    position: relative;
    margin: 20px auto 20px auto;
    width: 600px;
}

div.flexContainer { display: flex; position: relative; }
div.flex-1 { display: flex; width: auto; flex: 1; }
div.flex-2 { display: flex; width: auto; flex: 2; }

hr { border-top-width: 2px; border-color: white; box-shadow: 2px 2px 3px rgba(0, 0, 0, 0.5); }

a.rightSideText {
    position: absolute;
    right: 0;
    margin-right: 15px;
}

/* 將尾版設置為絕對位置 */
footer {
    position: absolute;
    left: 0;  right: 0;
    bottom: 0;
}