body {
    background-color: white;
    color: #0b3190ff;
    font-family: "Verdana", "Arial", sans-serif;
    font-size: 18px;
    max-width: 800px;
    padding: 0.5em;
    margin: auto;
}

header,
main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}

/* nav menu start */
ul {
    padding: 0;
    list-style-type: none;
    text-align: center;
    display: flex;
    flex-flow: row wrap;
    background-color: #0b3190ff;
}

li {
    flex: auto;
}

nav a {
    font-size: 1.2em;
    padding: 0 1.2em;
    color: white;
    text-decoration: none;
}

nav a:hover {
    color: darkorange;
}
/* nav menu end */

.bcw {
    background-color: white;
}

h1,
h2,
h3,
h4 {
    text-align: center;
}

h1 {
    font-size: 3em;
    font-style: italic;
}

h2 {
    font-size: 2em;
}

h3 {
    font-size: 1.25em;
}

p {
    font-size: 1em;
}

/* description lists start */
dt {
    font-weight: bold;
}

dt,
dd {
    font-size: 1em;
    margin-bottom: 1em;
}
/* description lists end */

img {
    max-width: 100%;
}

table {
    table-layout: fixed;
    width: 100%;
    border-collapse: collapse;
    border: 2px solid rgb(200 200 200);
    letter-spacing: 1px;
    font-size: 0.8em;
}

td,
th {
    border: 1px solid rgb(190 190 190);
    padding: 10px 10px;
}

th {
    background-color: rgb(235 235 235);
}

td {
    text-align: center;
}

/* Regular table column width */
.col-left {
    width: 230px;
}

/*Narrow table column width for tube.html */
.col-left-s {
    width: 150px;
}

/*Narrow table column width for tube.html */
.col-left-ss {
    width: 114px;
}

div.tablecontainer {
    overflow-x: auto;
}

.machines > div {
    border-radius: 0;
    padding: 0;
    border: 0;
}

.machines {
    display: grid;
    grid-template-columns: repeat(4, minmax(40px, 1fr));
}

.machines_spindle_winding > div {
    border: inset;
    padding: 1em;
    max-width: 80%;
}

.machines_spindle_winding {
    display: flex;
    flex-direction: column;
    align-items: center;
}

form {
  font: 1em sans-serif;
  max-width: 320px;
}

p > label {
  display: block;
}