index.css

/**
 * -----------------------------------------------------------------------------
 * Common CSS
 * -----------------------------------------------------------------------------
 */
html,
body {
  background-color: #ffffff;
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  color: #000000;
  font-family: arial, sans-serif;
}

img {
  vertical-align: middle;
}

* {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

.ol-popup-closer, li a {
  text-decoration: none;
  color: black !important;
}

#noJavascript {
  position: absolute;
  left: 30%;
  top: 50%;
  width: 30%;
}

.unselectable {
  user-select: none;
}

#searchinputbox {
  padding-left: 5px;
}

/**
 * -----------------------------------------------------------------------------
 * Map CSS
 * -----------------------------------------------------------------------------
 */
#map {
  height: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
}

.ol-mouse-position {
  top: unset !important;
  bottom: 20px !important;
  right: 5px !important;
  border: 1px solid #000080;
  border-radius: 6px 6px 6px 6px;
  background-color: #fff;
  margin: 0;
  padding: 5px;
  font-family: monospace;
  height: auto;
}

.ol-scale-line-metric,
.ol-scale-line-nautical {
  display: block;
  position: absolute;
  left: 10px;
  font-size: xx-small;
  text-align: center;
  border: 2px solid black;
}

.ol-scale-line-metric {
  bottom: 20px;
  border-bottom: none;
}

.ol-scale-line-nautical {
  bottom: 30px;
  border-top: none;
}

.ol-permalink {
  right: 5px;
  bottom: 50px;
  display: block;
  position: absolute;
  font-size: smaller;
}

.ol-popup {
  position: absolute;
  background-color: white;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  padding: 15px;
  border-radius: 10px;
  border: 1px solid #cccccc;
  bottom: 12px;
  left: -50px;
  min-width: 280px;
}
.ol-popup:after,
.ol-popup:before {
  top: 100%;
  border: solid transparent;
  content: " ";
  height: 0;
  width: 0;
  position: absolute;
  pointer-events: none;
}

.ol-popup:after {
  border-top-color: white;
  border-width: 10px;
  left: 48px;
  margin-left: -10px;
}

.ol-popup:before {
  border-top-color: #cccccc;
  border-width: 11px;
  left: 48px;
  margin-left: -11px;
}
.ol-popup-closer {
  text-decoration: none;
  position: absolute;
  top: 2px;
  right: 8px;
}

.ol-popup-closer:after {
  content: "✖";
}

/**
 * -----------------------------------------------------------------------------
 * Tools CSS
 * -----------------------------------------------------------------------------
 */
#actionDialog {
  position: absolute;
  top: 50px;
  left: 60px;
  visibility: hidden;
  border: 2px solid #000080;
  -moz-border-radius: 6px;
  -webkit-border-radius: 6px;
  border-radius: 6px 6px 6px 6px;
  background-color: #fff;
  padding: 5px;
}

/**
 * -----------------------------------------------------------------------------
 * Compass CSS
 * -----------------------------------------------------------------------------
 */
/* geo north image is 301x301, mag north image is 200x200 */
#compassRose {
  position: absolute;
  bottom: 58px;
  right: 10px;
  width: 261px;
  height: 261px;
  visibility: hidden;
  border-radius: 50%;
  /* background-color:white; */
}

#geoCompassRose {
  position: absolute;
  right: calc(50%+581px);
  bottom: (50%+581px);
  width: 261px;
  height: 261px;
}

#magCompassRose {
  position: absolute;
  right: calc(50%+581px);
  bottom: (50%+581px);
  width: 261px;
  height: 261px;
  transform: rotate(0deg);
}

#magCompassText {
  position: absolute;
  left: 132px;
  bottom: 118px;
  color: #e50083;
  font-size: 9px;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  width: 100px;
  text-align: center;
}

#magCompassTextTop {
  position: relative;
  left: -50%;
  bottom: 20px;
}

#magCompassTextBottom {
  position: relative;
  left: -50%;
  bottom: -20px;
}

/**
 * -----------------------------------------------------------------------------
 * AIS layer
 * -----------------------------------------------------------------------------
 */
.ais h2 {
  font-size: 16px;
  border-bottom: 1px solid #484848;
}

.ais div {
  padding: 2px;
  font-size: 13px;
}

.ais td:first-child {
  font-size: 14px;
  font-weight: normal;
  /*text-align:right;*/
  color: #808080;
  padding-right: 10px;
}

.ais td {
  font-size: 14px;
  font-weight: bold;
  color: #484848;
  height: 18px;
}

.ais ul {
  padding: 2px;
  font-size: 14px;
  list-style-type: disc;
  list-style-position: inside;
  margin-top: 13px;
}

.ais table {
  margin-top: 13px;
}

.ais img {
  margin-right: 6px;
  margin-bottom: 2px;
  border: 1px solid #484848;
  padding: 1px;
}

/**
 * -----------------------------------------------------------------------------
 * SatPro layer
 * -----------------------------------------------------------------------------
 */
.satpro h2 {
  font-size: 16px;
  border-bottom: 1px solid #484848;
}

.satpro td:first-child {
  font-size: 14px;
  font-weight: normal;
  /*text-align:right;*/
  color: #808080;
  padding-right: 10px;
}

.satpro td {
  font-size: 14px;
  font-weight: bold;
  color: #484848;
}

.satpro table {
  margin-top: 13px;
}

/**
 * -----------------------------------------------------------------------------
 * Disaster layer
 * -----------------------------------------------------------------------------
 */
.disaster h2 {
  font-size: 16px;
  border-bottom: 1px solid #484848;
}

.disaster td:first-child {
  font-size: 14px;
  font-weight: normal;
  color: #808080;
  padding-right: 10px;
}

.disaster td {
  font-size: 14px;
  font-weight: bold;
  color: #484848;
}

.disaster table {
  margin-top: 13px;
}

/**
 * -----------------------------------------------------------------------------
 * Menu CSS
 * -----------------------------------------------------------------------------
 */
#topmenu {
  position: absolute;
  top: 10px;
  left: 60px;
  max-width: 90%;
  width: auto;
}

.menu {
  border: 2px solid #000080;
  border-radius: 6px;
  background-color: #fff;
  margin: 0;
  padding: 2px;
}

.menu label {
  cursor: pointer;
  flex: 2;
}

.menu img {
  text-decoration: none;
}

.menu img,
.menu input {
  margin-right: 5px;
}

.menu li {
  list-style: none;
  background: white;
  cursor: pointer;
  position: relative;
  padding: 2px 5px;
  display: flex;
  align-items: center;
}

.menu li:hover {
  background: #add8e6;
}

/* LEVEL TWO AND THREE */
.menu li > ul {
  width: 240px;
  display: none;
  position: absolute;
  border: 1px solid #ccc;
}

.menu li:hover > ul {
  display: block;
}

.menu li > ul > li {
  display: flex;
  align-items: center;
  border-bottom: 1px solid #ccc;
}

.menu li > ul > li:last-child {
  border: none;
}

/* LEVEL ONE */
.menu > ul {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}

.menu > ul > li {
  border-right: 1px solid #333;
}

.menu > ul > li:last-child {
  border-right: none;
}

/* LEVEL TWO */
.menu > ul > li > ul {
  top: 100%;
  left: 0;
}

/* LEVEL THREE */
.menu > ul > li > ul > li > ul {
  left: 100%;
  top: 0;
}

/**
 * -----------------------------------------------------------------------------
 * Nautical route tool
 * -----------------------------------------------------------------------------
 */
#routeAddLine {
  cursor: pointer;
}

#routeAddLine:hover {
  background-color: #add8e6;
}

#routeEditLine {
  cursor: pointer;
}

#routeEditLine:hover {
  background-color: #add8e6;
}

#routeNavigate {
  cursor: pointer;
}

#routeNavigate:hover {
  background-color: #add8e6;
}

table#routeSegmentList {
  height: 120px;
  overflow-y: auto;
}

table#routeSegmentList th {
  background-color: #cccccc;
  text-align: center;
}

table#routeSegmentList td {
  text-align: right;
}

table#routeSegmentList th,
td:nth-child(1) {
  width: 20;
} /* segment # */
table#routeSegmentList th,
td:nth-child(2) {
  width: 60;
} /* course */
table#routeSegmentList th,
td:nth-child(3) {
  width: 70;
} /* distance */
table#routeSegmentList th,
td:nth-child(4) {
  width: 200;
} /* coordinates */

/* even/odd coloring */
table#routeSegmentList tr:nth-child(even) {
  background-color: #ececec;
}