* {
    margin: 0px;
    padding: 0px;
}

body {
    background-color: #ddd;
}

::-webkit-scrollbar
{
	width: 10px;
}

::-webkit-scrollbar-thumb
{
	-webkit-box-shadow: inset 0 0 6px rgba(.3,0,0,.3);
	background-color: #555;
}


a.text-decoration-none.text-dark {
    position: relative;
}

a.text-decoration-none.text-dark:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px; /* 設定底線的高度 */
    color: blue !important;
    background-color: blue; /* 底線顏色 */
}



input:focus,button:focus {
    box-shadow: unset !important;
}