styles.css

The complete code for styles.css used in Creating the Index.html page is:

:root {
  --app-height: 720px;
}
html {
  height: 100%;
  width: 100%;
  margin: 0px;
}
body {
  height: 100%;
  font-family: sans-serif;
  background-color: #ffffff;
  margin-top: 0px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0px;
  padding: 0px;
  max-width: 920px;
  max-height: 100vh;
  max-height: var(--app-height);
  box-sizing: border-box;
}
.fullbox {
  min-height: 100%;
  display: block;
}

/*------- header ------*/
.fullbox > .header > .title {
  padding: 10pt;
  padding-top: 20pt;
  padding-left: 12pt;
  margin: 0;
  width: 100%;
  max-width: 100%;
  text-align: left;
  background-color: #000068;
  font-family: arial, sans-serif;
  font-size: 15pt;
  color: #FFFFFF;
  box-sizing: border-box;
}
.fullbox > .header > .row {
  margin: 0px;
  margin-top: 1px;
  display: block;
  width: 100%;
}
.fullbox > .header > .row > .item {
  font-size: 10pt;
  background-color: #0066CC;
  color: #FFFFFF;
  text-decoration: none;
  white-space: nowrap;
  text-align: center;
  cursor: pointer;
  margin: 0pt;
  border-left: solid 1px #FFFFFF;
  padding-top: 5pt;
  padding-bottom: 5pt;
  display: inline-block;
  box-sizing: border-box;
}
.fullbox > .header > .row > .item:hover {
  background-color: #000068;
}
.fullbox > .header > .row > .item[disabled='disabled'],
.fullbox > .header > .row > .item[disabled='disabled']:hover {
  background-color: #0066CC;
  color: #CCCCCC;
  cursor: default;
}
.fullbox > .header > .row > .item:nth-child(1) {
  border-left: 0px;
}
.fullbox > .header > .row > .item.selected,
.fullbox > .header > .row > .item.selected:hover {
  background-color: #CC0000;
  cursor: default;
}

/*------- main ------*/
.fullbox > .main {
  height: calc(100vh - 171px);
  height: calc(var(--app-height) - 171px);
  display: block;
  overflow: auto;
}
.fullbox.nomenu > .main {
  height: calc(100vh - 113px);
  height: calc(var(--app-height) - 113px);
}

/*------- footer ------*/
.fullbox > .footer {
  padding: 4px;
  margin: 0;
  width: 100%;
  text-align: right;
  background-color: #000068;
  color: #FFFFFF;
  font-size: 8pt;
  box-sizing: border-box;
}
.fullbox > .footer span {
  background-color: #F0F0F0;
  color: #000068;
  font-size: 10pt;
  padding-top: 5pt;
  padding-bottom: 5pt;
  padding-left: 10pt;
  padding-right: 10pt;
  margin: 5pt;
  border-radius: 2pt;
  display: inline-block;
  box-sizing: inherit;
  cursor: pointer;
  box-shadow: 1px 1px 3px rgba(0,0,0,.25);
}
.fullbox > .footer span:hover {
  background-color: #F8F8F8;
  color: black;
}
.fullbox > .footer span[disabled='disabled'],
.fullbox > .footer span[disabled='disabled']:hover {
  background-color: rgba(255, 255, 255, .55);
  color: #333333;
  cursor: default;
}

/*------------------end page structure-------------------*/
.floatbox {
  position: absolute;
  display: inline-block;
  padding: 20pt;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  border: none;
}
.verticalTable {
  width: auto;
  text-align: left;
  font-size: 10pt;
  color: #000068;
  border: none;
  padding: 15pt;
  margin-right: auto;
  margin-left: auto;
  box-sizing: border-box;
}
.verticalTable tr >* >* {
  margin: 3pt;
}
.verticalTable input[type='text'],
.verticalTable input[type='password'] {
  box-sizing: border-box;
  border-radius: 2px;
  border-width: 1px;
  border-color: #C0C0C0;
  border-style: solid;
  padding: 5pt;
  outline-width: 1px;
}
.verticalTable input[type='button'] {
  cursor: pointer;
  padding: 5pt;
  padding-left: 10pt;
  padding-right: 10pt;
  margin-left: 5pt;
  margin-right: 5pt;
}
*::-ms-backdrop, .verticalTable {
  margin: auto;
  position: relative;
  min-height: 1px;
}
.screenmsg {
  font-size: 8pt;
}
.nobreak {
  white-space: nowrap;
}

/*-------------------------------------------------------*/
.hidden {
  visibility: hidden;
}
.center {
  text-align: center !important;
}

/*-------- loading --------*/
#divLoading
{
  display: none;
}
#divLoading.show
{
  display: block;
  position: fixed;
  z-index: 100;
  background-image: url('../images/wait.gif');
  background-repeat: no-repeat;
  background-position: center;
  left: 0;
  bottom: 0;
  right: 0;
  top: 0;
}
#loadinggif.show
{
  left: 50%;
  top: 50%;
  position: absolute;
  z-index: 101;
  width: 32px;
  height: 32px;
  margin-left: -16px;
  margin-top: -16px;
}
.fullwidth {
  width: 100%;
  padding-left: 30pt;
  padding-right: 30pt;
  box-sizing: border-box;
}
.button {
  border-radius: 2px;
  border: solid 1px #C0C0C0;
  padding: 5pt;
  outline-width: 1px;
  background-color: #F0F0F0;
  color: #000000;
  font-size: 10pt;
  padding-left: 10pt;
  padding-right: 10pt;
  margin: 5pt;
  display: inline-block;
  box-sizing: inherit;
  cursor: pointer;
}
.button:hover {
  background-color: #F8F8F8;
}
@media screen and (max-height: 600px) {
  .fullbox {
    min-height: 600px;
  }
}