:root {
  --header-color:	#046; /* better green: #264; gray: #333; brown: #522200; green: #163; red: #622; /* original blue: #046; */  
  --link-color: #069; /* better green: #486; gray: #555; brown: #8b4513; green: #195; red: #A32; /* original blue: #069; */
}

body {
  max-width:700px; 
  background-color: #fefefe;
  line-height: 1.3;
  padding-left: 20px;
  padding-right: 20px; 
  margin-left: auto;
  margin-right: auto; /* 8%; */
  font-family: sans-serif;
}
h1 {color: var(--header-color); /* #069; */
    /* font-size: 24px */}
h2 {color: var(--header-color);
    /* font-size: 18px */}
h3 {color: var(--header-color);
    /* font-size: 14px */}
table {
    margin-left: 20px;
    border: 0;
    /* background-color: white; */
}
thead {
    background-color: dimgray;
}
th {
    color: white;
    padding-left: 0.5em;
    padding-right: 0.5em;
}
td {
    padding-left: 0.5em;
    padding-right: 0.5em;
}
.sourceCode pre {
  padding: 0.5em;
  border: 1px solid #ccc;
  border-radius: 2px;
  background-color: #f8f8f8;
}

.even {
    background-color: white;
}
.odd {
    background-color: silver;
}

#nav {
    width: 100%; 
    float: left;
    margin: 0 0 1.5em 0;
    padding: 0;
    list-style: none;
    /* background-color: #f2f2f2;
    border-bottom: 1px solid #ccc; 
    border-top: 1px solid #ccc;
    border-right: 1px solid #ccc; 
    border-left: 1px solid #ccc; */
}

#nav li {
    float: left; }
#nav li a {
    display: block;
    padding: 8px 15px;
    text-decoration: none;
    font-weight: bold;
    color: var(--link-color);
    background-color: #eee;
    border-bottom: 1px solid #ccc; 
    border-top: 1px solid #ccc;
    border-right: 1px solid #ccc; 
    border-left: 1px solid #ccc;}

#nav li a:hover {
    color: #000;
    background-color: #ff3; }

a {
    text-decoration: none;
    color: var(--link-color);

}
a:hover {
    text-decoration: underline;
}

.schedule table {
    font-size: 95%;
    width: 640px;
}
.schedule th {
    color: white;
    text-align: center;
}


.schedule .even:nth-of-type(6n+1) {
    background-color: silver;
}
.schedule .even:nth-of-type(6n+2) {
    background-color: silver;
}
.schedule .even:nth-of-type(6n+3) {
    background-color: silver;
}
.schedule .odd:nth-of-type(6n+4) {
    background-color: white;
}
.schedule .odd:nth-of-type(6n+5) {
    background-color: white;
}
.schedule .odd:nth-of-type(6n+6) {
    background-color: white;
}