noteweb: Rendering bird field notes for the Web

The entire daily summary block is set inside a thin solid border, on a light gray background.

div.day-summary
{   margin-left: 1em;           /* Indent on left */
    margin-bottom: 1em;         /* Add space below */
    border-style: solid;        /* Solid border */
    border-width: 1px;          /* One pixel wide */
    padding: 10px;              /* Leave room inside the box */
    background-color: #eee;     /* Light gray background */
}