.no-border { border-style: none; }

.small { font-size: 80%; }

.big {
  font-size: large;
  font-family: sans-serif;
}

#navig {
    background-color: #ffffcc;
    margin-left: 40px;
    margin-right: 40px;
    border-top: 1px solid blue;
    border-left: 1px solid blue;
    border-right: 1px solid blue;
    padding: .5em;
    margin-top: 0;
    margin-bottom:0;
}

#content {
    margin-top:0px;
    margin-left: 40px;
    margin-right: 40px;
    border-left: 1px solid blue;
    border-right: 1px solid blue;
    border-bottom: 1px solid blue;
    padding: 0.5em;
    background-color: #ffffff;

}

body {
    /* background-color: #ccccff; */
    font-family: sans-serif;
    background-color: #ccccff;
}

.middle { vertical-align: middle; }

.center { text-align: center; }

.ahem { display: none; }

.heading {font-family: sans-serif; font-style: italic; }

.dim { color: gray; }

.important {
    color: red;
    font-weight: bold;
}

table.open td, table.open th {
    border: 1px solid gray;
    padding: 0.25em;
}

table.bordered { 
    border-style: solid;
    border-spacing: 1px;
    border-width: 2px;
    border-collapse: collapse;
}
table.bordered td, table.bordered th {
    border-style: solid;
    border-width: 2px;
    padding: 0.25em;
}

table.noborder td, table.noborder th { border: none; }

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

p { line-height: 125%; }

.gr, .gred {font-size: 1.5em;}
.gred {color: red}
.red {color: red}

.exerciseGrid {
    display: grid;
    grid-template-columns: min-content auto;
    column-gap: 10px;
}

.exerciseGrid div {
    margin-top: 1em;
}

.threeGrid {
    display: grid;
    grid-template-columns: min-content min-content auto;
    column-gap: 10px;
}