body {
 font-family: sans-serif;
 font-size: 18px;
 margin-left: 5%;
 margin-right: 5%;
}

p, ul {
 line-height: 1.4;
}

pre {
 margin-left: 2%;
 margin-right: 2%;
 padding: 10px;
/*
 border: 1px black solid;
*/
 background-color: #d5dbdb;
}

pre.response {
 color: green;
}

pre.error {
 color: red; 
}

pre.wrap {
 white-space: pre-wrap;
}

.warning {
 color: orange;
}

table.wallboard {
 margin-left: auto;
 margin-right: auto;
 border: 1px solid black;
 border-collapse: collapse;
}

table.wallboard td {
 border: 1px solid black;
 padding: 5px;
 text-align: center;
}

.bold {
 font-weight: bold;
}

img {
 max-width: 100%;
 height: auto;
}

table.centred, table.normal {
 margin-left: auto;
 margin-right: auto;
 background-color: lightgrey;
}

table.centred th, table.normal th {
 padding: 5px;
}

table.centred td, table.normal td.centred {
 padding: 5px;
 text-align: center;
}

table.normal td.nowrap {
 white-space: nowrap;
}