ud.css

.togglerbuttons {
height: 24px;
margin: 0 auto;
font-size: 12px;
line-height: 16px;
}

.icon {
position: relative;
width:16px;
height:16px;
display: inline-block;
margin: 0 5px 0 0;
}

.minusbutton {
border:1px solid #aaa;
width: 7px;
height: 7px;
position: relative;
top:0;
left:0;

}
.minusbutton:after {
background-color: #aaa;
width: 7px;
height: 1px;
position: absolute;
top:3px;
left: 0px;
  content:"";
}

.plusbutton {
border:1px solid #aaa;
width: 7px;
height: 7px;
position: relative;
top:0;
left:0;
}
.plusbutton:after {
background-color: #aaa;
width: 7px;
height: 1px;
position: absolute;
top:3px;
left: 0px;
  content:"";
}
.plusbutton:before {
background-color: #aaa;
width: 1px;
height: 7px;
position: absolute;
top:0px;
left: 3px;
  content:"";
}