.scrollable {
 overflow: auto;
 height: 400px;
}

.books {
 float: clear;
}

.book-viewer tr {
 text-align: center;
}

.book-viewer tr td {
 text-align: center;
}

.book-viewer tr td img {
 height: 200px;
 display: block;
 margin-left: auto;
 margin-right: auto;
}

.navigation {
 margin: 1em;
 width: 5em;
}

.righthand-tools {
 float: right;
}

.page-number {
 margin-right: 1em;
}

.righthand-tools .tool {
 margin-left: 1em;
 margin-right: 1em;
}

.tool-long {
 width: 9em;
}


.search-box {
 float: left;
 width: 22em;
 border-style: solid;
 border-width: 1px;
 padding: 2px;
}