.fileListContainer
{
    position:relative;
    top:0;
    right:0;
}

.preview
{
    position:fixed;
    top:0;
    right:0;
    height:70%;
}

img
{
width:17em;
}

.fileListContainer
{
margin-left:2em;
}

.greenBorder
{
    border:3px solid green;
}

.redBorder
{
    border:3px solid red;
}