.centered-btns_nav {
  z-index: 3;
  position: absolute;
  -webkit-tap-highlight-color: rgba(0,0,0,1);
  /*top: 50%;*/
  top: 62%;
  left: 0;
  opacity: 0.40;
  text-indent: -9999px;
  overflow: hidden;
  text-decoration: none;
  height: 50px;
  width: 36px;
  background: transparent url("themes.png") no-repeat left top;
  margin-top: -35px;
  }

.centered-btns_nav:hover {
  opacity: 1.0;
  }
.centered-btns_nav:active {
  opacity: 1.0;
  }

.centered-btns_nav.next,
#page_ortho .centered-btns_nav.next {
  left: auto;
  background-position: right top;
  right: 0;
  }



.centered-btns_nav:focus,
.transparent-btns_nav:focus,
.large-btns_nav:focus {
  outline: none;
  }

.centered-btns_tabs,
.transparent-btns_tabs,
.large-btns_tabs {
  margin-top: 10px;
  text-align: right;
  }

.centered-btns_tabs li,
.transparent-btns_tabs li,
.large-btns_tabs li {
  display: inline;
  float: none;
  _float: left;
  *float: left;
  margin-right: 5px;
  }

.centered-btns_tabs a,
.transparent-btns_tabs a,
.large-btns_tabs a {
  text-indent: -9999px;
  overflow: hidden;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  border-radius: 15px;
  background: #FFF;
  background: rgba(255,255,255,1);
  color: rgba(0,0,0,0); /* Hides the numbers in the dots */
  display: inline-block;
  _display: block;
  *display: block;
  -webkit-box-shadow: inset 0 0 2px 0 rgba(0,0,0,.3);
  -moz-box-shadow: inset 0 0 2px 0 rgba(0,0,0,.3);
  box-shadow: inset 0 0 2px 0 rgba(0,0,0,.3);
  width: 10px;
  height: 10px;
  /*border: solid 2px #e1e1e1;*/
  }

/* Slide Button Color */
.centered-btns_here a,
.transparent-btns_here a,
.large-btns_here a {
  background: #333;
  background: rgba(51,51,51, 1);
  }



@media screen and (max-width: 414px) {
.centered-btns_nav {
  height: 36px;
  width: 26px;
  background: transparent url("themes_sm.png") no-repeat left top;
  margin-top: -18px;
  top: 68%;
  }
}