.orweb_header{
  width:940px;
  height:223px;
  background:url(../img/orweb_header_07.jpg) no-repeat;
}

.header_block{
  height:123px;
  background:url(../img/orweb_05.jpg) repeat-x top;
}

.button_slider{
  background:url(../img/orweb_header_01.jpg) no-repeat left bottom;
}

.button_box{
  padding-right:11px;
  height:51px;
  background:url(../img/orweb_header_06.jpg) no-repeat right bottom;
}

.button_box{ 
  cursor: pointer;
}

#but_78, #but_79, #but_80, #but_81{
  display:block;
  height:51px;
  float:right;
  border:none;
}

/* Контакты */
#but_81{
  width:140px;
  background:url(../img/orweb_header_05.jpg) no-repeat;
}

/* Портфолио */
#but_80{
  width:132px;
  background:url(../img/orweb_header_04.jpg) no-repeat;
}

/* О студии */
#but_78{
  width:144px;
  background:url(../img/orweb_header_02.jpg) no-repeat;
}

/* Услуги */
#but_79{
  width:132px;
  background:url(../img/orweb_header_03.jpg) no-repeat;
}

/* Контакты - активная */
.active #but_81{
  background:url(../img/orweb_header_05_active.jpg) no-repeat;
}

/* Портфолио - активная */
.active #but_80{
  background:url(../img/orweb_header_04_active.jpg) no-repeat;
}

/* Услуги - активная */
.active #but_79{
  background:url(../img/orweb_header_03_active.jpg) no-repeat;
}

/* Услуги - активная */
.active #but_78{
  background:url(../img/orweb_header_02_active.jpg) no-repeat;
}