.openerp .oe_sidebar .oe_dropdown_menu li .oe-sidebar-attachment-preview
{
    position: absolute;
    right: 18px;
    top: 0px;
    display: none;
}
.openerp .oe_sidebar .oe_dropdown_menu li:hover .oe-sidebar-attachment-preview
{
    display: inherit;
}
.openerp .oe_sidebar .oe_dropdown_menu li .oe-sidebar-attachment-preview:hover
{
    text-decoration: none;
    color: white;
    background: #8786b7;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.4);
    -moz-border-radius: 2px;
    -webkit-border-radius: 2px;
    border-radius: 2px;
}
.openerp .oe-binary-preview
{
    cursor: pointer;
    vertical-align: middle;
}