.navbar {
    overflow: hidden;
    background-color: #333;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    /*padding-left: 10em;*/
    /*padding-right: 10em;*/
    text-align:center;
}

.navbar a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 0.1em 1.2em;
    text-decoration: none;
}

nav ul, footer ul {
    font-family: Raleway, sans-serif;
    padding: 0em;
    display: inline-block;
    list-style: none;
    font-weight: bold;
}

nav ul li, footer ul li {
    display: inline-block;
    margin-right: 0em;
    padding: 0em 1em;
}

a {
    text-decoration: none;
    color: blue;
}

a:hover {
    text-decoration: underline;
}

h1 {
    font-size: 1.7em;
    padding-top: 2.2em;
}

h2 {
    font-size: 1.4em;
    padding-bottom: 0em;
}

p {
    font-size: 1.2em;
    line-height: 1.4em;
    color: #333;
}

footer {
    border-top: 0.1em solid #d5d5d5;
    font-size: 0.8em;

	position: fixed;
	right: 0;
	bottom: 0;
	left: 0;
	padding: 1rem;
	background-color: #efefef;
	text-align: right;
}

ul.posts {
    margin: 20px auto 40px;
    font-size: 1.5em;
}

ul.posts li {
    list-style: none;
}

hr {
    border : 0;
    height: 2px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
    /*background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(76, 175, 80, 0.75), rgba(0, 0, 0, 0));*/
    margin-top: 3em;
}

.main {
    margin-left: 10em;
    margin-right: 10em;
    margin-top: 4em;
    font-family: Raleway, sans-serif;
}

.timetable {
    border-collapse: collapse;
    width: 90%;
	margin: auto;
}

.timetable td, th {
    border: 1px solid #ddd;
    padding: 0.5em;
}

.timetable tr:nth-child(even){background-color: #f2f2f2;}

.timetable tr:hover {background-color: #ddd;}

.timetable th {
    padding-top: 1em;
    padding-bottom: 1em;
    text-align: center;
    background-color: #4CAF50;
    color: white;
}

.timetable td {
    padding-top: 1em;
    padding-bottom: 1em;
    text-align: center;
}

#color1{
  background-color: rgb(153, 204, 255);
}
#color2{
  background-color: rgb(217, 206, 174);
}
#color3{
  background-color: rgb(149, 229, 196);
}
#color4{
  background-color: rgb(251, 251, 167);
}
#color5{
  background-color: rgb(242, 131, 131);
}
#color6{
  background-color: rgb(188, 172, 247);
}
#color7{
  background-color: rgba(74, 116, 72, 0.494);
}

.blank_row {
    height: 1px !important;
    background-color: #FFFFFF;
}

li{
    margin: 10px 0;
}