body { background-color: lightgray; margin: 8px; }
h1 { text-align: center; }
#main-panel { margin: 0em auto; width: 90%;}
#form-box { margin: 0 auto; margin-bottom: 4px; width: 100%;}
#button-box { margin: 0 auto; text-align: center; }
input[type=button] { width: 10em; padding: 4px; }
#src-box { margin: 1em auto; width: fit-content; height: fit-content;}
#dest-box { margin: 1em auto; width: fit-content; height: fit-content;}
#src { width: 128px; height: 128px; border: 8px ridge;}
#src:hover { cursor: w-resize; }
#dest { width: 128px; height: 128px; border: 8px ridge; display: block; margin: auto;
        background-color: darkgray;}
#dest:hover { cursor: w-resize; }
#button-box { text-align: center; }
#message { font-size: 0.8em; color: blue; margin: 1em auto 2em auto; width: 32em;}
#form-box table { margin: auto; }
#footer {margin: auto; font-size: 0.8em; text-align: center;
         margin-top: 2em; padding-bottom: 2em;}

tr {border: 1px solid;}
td {border: 3px groove; padding: 4px 8px 4px 8px;}
select { padding: 4px; }
input[type=file] { padding: 4px; width: 80%;}
.comment { font-size: 0.8em; color: green; margin-left: 1em; }

#paste {
    text-decoration: none;
}