.page_menu_block_switch{
    background: transparent;
    border: 1px solid #ccc;
    outline: 0;
    width: 100%;
    padding: 9px 10px;
    border-radius: 3px;
    color: #777;
    line-height: 1;
    text-align: left;
}
.page_menu_block_switch~*{
    display: none;
}
#sidebar .products-nav .page_menu_block_switch+.nav-title+ul{
    padding-top: 10px;
}
.page_menu_block_switch .ii-arrow_b3{
    font-size: 24px;
    float: right;
    transform: scaleY(1);
    -webkit-transition: transform .5s;
    transition: transform .5s;
}
.page_menu_block_switch.open .ii-arrow_b3{
    transform: scaleY(-1);
    -webkit-transition: transform .5s;
    transition: transform .5s;
}
.page_menu_block_switch span:not(.ii-arrow_b3){
    display: inline-block;
    vertical-align: top;
    letter-spacing: 1px;
    line-height: 23px;
}
.ii-arrow_b3:before {
    content: "\e94d";
  }