html {
    position: relative;
    min-width: 1024px;
    min-height: 100%;
}
  
body {
    margin-bottom: 40px;
}

.navbar { 
    background-color: grey;
    list-style-type: none;
}


.navbar:after {
    content: "";
    clear: both;
    display: table;
}

.navbar li {
    background-color: grey;
    float: left;
}

.navbar li:hover {
    background-color: #ddd;
    color: black;
}

.navbar li.active {
    background-color: #4CAF50;
    color: white;
}
  
.navbar a {
    display: block;
    font-size: 17px;
    padding: 14px ;
    color: #f2f2f2;
    text-align: center;
    text-decoration: none;
}
   
.navbar a:hover  {
    background-color: #ddd;
}

.main {
    margin-left: 5px;
    margin-right: 5px;
    background-color: white;
}

div.leftside {
    position: relative;
    float: left;
    width: 378spx;
    height: 540px;
}

div.centreside {
    position: relative;
    margin-left: 20px;
    width: 160px;
    float: left;
}

div.rightside {
    position: relative;
    float: left;
    width: 220px;
}

.rightside p {
    margin-top: 0px;
    margin-bottom:0px;
    font-size: 17px;
    text-align: center;
}

.rightside #google_badge {
    position:relative;
    width: 120px;
    margin-left:auto;
    margin-right:auto;
    margin-bottom:20px;
}

button {
    font-family: Helvetica;
    background-color:rgb(192, 192, 192);
    border: 1px;
}

button:hover {
    background-color: yellowgreen;
}

.tbl {
    position: relative;
    border-collapse: collapse;
    border: 3px solid gray;
    background-color:rgb(222, 222, 222);
    color: black;
}

tr {
    /*border-top: 1px solid gray;
    border-bottom: 1px solid gray;
    */
}

td {
    width: 40px;
    height: 40px;
    margin: 0px;
    padding: 0px;
    border: 1px solid gray;
    border-collapse: collapse;
}

.rowSquare {
    border-top: 3px solid gray;
}

.cellSquare {
    border-left: 3px solid gray;
}

.celltxt {
    width: 100%;
    height: 100%;
    text-align: center;
    font-family: monospace;
    letter-spacing: 3px;
    padding: 0px;
    margin: 0px;
    cursor: default;
}

#messagebox {
    position: absolute;
    width: 338px;
    height: 160px;
    margin-left: 20px;
    margin-top: 109px;
    border-radius: 32px;
    background-color: orange;
    z-index: 1;
    display: block;
}

#msg {
    font-size : 28px;
    font-weight: bold;
    text-align: center;
}

.inputButtons {
    position: relative;
    width: 378px;
    height: 40px;
    margin-top: 20px;
}

.inputButtons:after {
    content: "";
    clear: both;
    display: table;
}

.inputButton {
    width: 38px;
    margin-left : 2px;
    margin-right : 2px;
    padding: 0px;
    height: 100%;
    border-radius: 19px;
    font-size : 17px;    
}

.controlButtons {
    width: 160px;
}

.controlButtons button {
    width: 100px;
    height: 40px;
    margin-bottom: 10px;
    border-radius: 8px;
}

.controlButtons:after {
    content: "";
    clear: both;
    display: table;   
}

.newGameDiv {    
    width: 100px;
    height: 100%;
}

#newGameButton {
    width: 100%;
    font-size: 12px;
}

.newGameLevels {
    display: none;
    background-color: #f9f9f9;
    width: 160px;
    overflow: hidden;
    border: none;
    outline: none;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    font-family: Helvetica;
    font-size: 12px;   
    z-index: 1;
  }
  
  /* Links inside the dropdown */
  .newGameLevels li {
    float: none;
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
    cursor: default;
  }
  
  .newGameLevels li:hover {
    background-color: #ddd;
  }
  
  .newGameDiv:hover .newGameLevels {
    display: block;
  }

.footer {
    width: 100%;
    padding: 14px;
    position: absolute;
    bottom: 0px; left: 0;
    background-color: lightgrey
}

.HoverClass:hover {background-color: yellowgreen !important;}