html{
    height:100%;
}
body{
    height:100%;
    margin:0px;
    overflow:hidden;
}
.nedev-flex-container{
    display:flex;
}
.nedev-flex-column{
    flex-direction: column;
}
.nedev-flex-grow{
    flex-grow: 1;
}
.nedev-child-absolute-stretch {
    position: relative;
}
.nedev-child-absolute-stretch > * {
    position: absolute;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
}