/* general prose */
body{margin:1em 5em 5em 3em;}
h1,h2,figcaption{font-family:Helvetica Neue,Arial,sans-serif;}
h1{color:#21183c;font-weight:700;}
h2{color:#21183c;font-weight:300;margin-top:1.5em;}
pre,code{background-color:Gainsboro;tab-size:2;font-size:large;}
pre{margin:0 .5em;padding:.5em;border:1px solid #aaa;border-radius:5px;}
li{margin:1em 0;}

/* invisiClues */
.solution{margin:1em .5em;padding:.5em;border:1px solid #aaa;border-radius:5px;font-family:monospace;font-size:large;background:gray;color:gray;}
.solution:active{background:peachpuff;color:black;}

/* figures */
figure img{display:block;margin-left:auto;margin-right:auto;border:1px solid black;}
figcaption{text-align:center;font-weight:700;font-style:italic;}
.figrow{display:flex;justify-content:center;}
.figrow>div{margin:10px;}

/* tables */
table{margin:0 .5em;border-collapse:collapse;border:1px solid #aaa;}
td{padding:5px;}th{padding:10px;border-bottom:1px solid #aaa;background-color:Gainsboro;}
td,th:not(:first-child){border-left:1px solid #aaa;}