html {
	width: 100%;
	height: 100%;
}

body {
    font-family: "Roboto", "Noto Sans HK", Tahoma, Geneva, Verdana, sans-serif;
    width: 100%;
	height: 100%;
    color: black;
    margin: auto;
    padding: 0;
}

h1,h2,h3,h4,h5,h6 {
	margin: 0;
    padding: 0.5em 0;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
}

body {
    position: relative;
    min-height: 600px;
    height: 100%;
    overflow: hidden;
	font-size: 18px;
}

.scrollable-container {
    position: relative;
    width: 100%;
    min-height: 520px;
    height: 80%;
    overflow: auto;
    margin: auto;
}

*[data-timeline]:after {
    display: inline-block;
    content: attr(data-timeline);
    font-family: "Times";
    color: #555;
    font-size: 0.7em;
    margin-left: 0.5em;
    transform: skewX(-8deg);
}

table, tbody, tr, td {
    border: 0;
    padding: 0;
    margin: 0;
    border-collapse: collapse;
    border-spacing: 0;
}

.header {
    font-size: 36px;
}

.center {
    text-align: center;
}

.skeu-btn {
	display: inline-block;
	color: black;
    padding: 9px;
    background: linear-gradient(#E0EAFA, #AFAFAF);
    border-top: 1px solid white;
    border-left: 1px solid white;
    outline: 1px solid gray;
    border-radius: 5px;
}

.skeu-btn:hover {
    background: linear-gradient(#AFAFAF, #E0E2EA);
}