a {
                text-decoration: none;
            }
    
            a:hover {
                text-decoration: underline;
            }
    
            img.img-responsive {
                display: block;
                max-width: 100%;
                height: auto;
            }
    
            .adv-btn a {
                background-color: #0d6efd !important;
            }

            .navbar-expand-lg {
                margin-bottom: 20px;
            }

            .breadcrumb>li+li:before {
                padding: 0 5px;
                color: #ccc;
                content: "/\00a0";
            }

            @media (max-width: 991.98px) {
                button.navbar-toggler {
                    background-color: #007AFF;
                }
            }
			
			            .container {
                padding-right: 15px;
                padding-left: 15px;
                margin-right: auto;
                margin-left: auto;
            }
    
            @media (min-width: 992px) {
                .container {
                    width: 970px;
                }
            }
    
            @media (min-width: 1200px) {
                .container {
                    width: 1170px;
                }
            }
			
			/* 被 focus 時顯示 */
.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;

  /* 顯示樣式（建議加） */
  background: #000;
  color: #fff;
  padding: 10px;
  z-index: 1000;
}