.sidebar-content            { padding: 0.5em; }
.exampleblock-content       { padding: 0 0.5em; }
.sidebar-content            { background: #ffffee;   border: 1px solid silver; }
.exampleblock-content       {                   border-left: 2px solid silver; }
.sidebar-title, .image-title {
    font-family: Arial,   sans-serif;
    font-size: 106%;   /* 0.9em */
    font-weight: bold;
}