body {
  padding-top: 1.5rem;
}

#cmsleiste {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 9999;
  display: flex;
  width: 100%;
  height: 1.5rem;
  overflow: hidden;
  background: #757575;
}

#cmsleiste > a {
  color: #fff;
  text-decoration: none;
  padding: 0 .5em;
}

#cmsleiste > a:nth-of-type( 1 ) { flex: 1; }
#cmsleiste > a:nth-of-type( 2 ) { flex: 1; }
#cmsleiste > a:nth-of-type( 3 ) { flex: 7; }
#cmsleiste > a:last-child       { flex: 1; margin-left: auto; text-align: right;}