*{
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

body{
    font-family: Arial, Helvetica, sans-serif;
    color: #14315d;
    background: #f5f5f5;
}

.pmi-container{
    display: grid;
    height:100vh;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto 1fr auto;
    grid-template-areas: 
    "header header header"
     "lside main rside"
    "footer footer footer ";
    padding: 10px;
}

.pmi-header {
    grid-area: header;
    position:relative;    
    text-align: center;
    border: skyblue 1px solid;
}

.pmi-menu {
    grid-area: menu;
    position:relative;
    background: steelblue;
    color: white;
    font-size: 20px;
    padding: 20px;
}

.pmi-main {
    grid-area: main;
    position:relative;
    font-size: 20px;
    padding: 20px;
}

.pmi-rside {
    grid-area: rside;
    position:relative;
/*    background: steelblue;
    color: white;
    font-size: 20px;*/
    padding: 20px;
}

.pmi-lside {
    grid-area: lside;
    position:relative;
 /*   background: steelblue;
    color: white;
    font-size: 20px; */
    padding: 10px;
}

.pmi-footer {
    grid-area: footer;
    position:relative;
    padding: 10px;
}

/*
.item:nth-of-type(2)
*/