.wy-side-nav-search > a, .wy-side-nav-search .wy-dropdown > a {
   padding: 0;
   margin: 0;
}

.wy-side-nav-search > div.version {
   color: inherit;
}

.wy-side-nav-search > div.version > span.rtdversion {
   color:rgba(255,255,255,0.3);
   margin-left: .3em;
}