CSS

@CHARSET "UTF-8";
html,body
{

    width:100%;
    margin: 1px;
    padding: 0px;
    height: 99%;
    -webkit-border-radius: 12px;
    border-radius: 12px;
    -webkit-box-sizing: content-box;
}

.all-content
{
    font-family: Arial, Helvetica-neue, sans-serif;
    font-size: 10px;

}

div.main-page
{
    width:100%;
    height:100%;
    margin:2px;
    border: .1em ridge red;
    background-color: rgba(128, 128, 128, 0.24);
}
table.mid-table
{
    width:100%;
    height:100%;
    border: 3px solid green;
    display:table;

}

tr.table-rows
{

    width:33%;
    height:33%;
    padding: 0px;
    margin: 0px;}

.widget
{
    width:30%;
    padding:1%;
    margin:1%;
    border: solid 5px black;

    -webkit-border-radius: 15px;
    border-radius: 15px;
}