* {
  font-family: Arial, Helvetica, sans-serif;
}

html, body {
  margin: 0;
  border: 0;
  padding: 0;
  background-color: #fff;
}

main {
  margin: auto;
  width: 50%;
  padding: 20px;
}

main > h1 {
  text-align: center;
  font-size: 3.5em;
}

.mnuBar {
  flex-flow:row wrap; 
  justify-content:space-around;
  height:30px;
}

.mnuItm {
  background-color:rgb(31, 30, 30);
  float:left;
  color:white;
  cursor:pointer;
  height:30px;            
}

.mnuItm:hover * {
  background-color: #cbbb42;
  height:30px;
}

.mnuSelItm {
  background-color: rgb(14, 17, 194);
  color:white;
  float:left;
  border:solid 1px gray;
  height:30px;
}

.mnuIcon {
  float:left;
  width:24px;
  padding-left:10px;
  height:30px;
}

.mnuTxt {
  color:white;
  float:left;
  padding-top:4px;
  padding-left:6px;
  width:150px;
  height:30px;
}

.mnuFreeSp {
  background-color:black;
  border:solid 1px black;
  height:30px;
  flex:1;
}

.actionMsg{
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: medium;        
  background-color: green;
  color:white;
  padding:25px;
  vertical-align: middle;
  text-align: center;
  position: fixed !important;
  top:1em !important;
  right:1em !important;
  z-index: 99999;
}

#loading{
  background-color: gray;
  opacity: 80%;
  vertical-align: middle;
  text-align: center;
  height:100%;
  padding-top:200px;
  position: absolute;
  padding-left:50%;
  padding-right:50%;
  top:0px;
  left:0px;
  z-index: 9999;
}