.sv-sub-menu,
.sv-sub-menu * {
    padding: 0;
    margin: 0;
    font-family: 'Open sans', sans-serif;
}

.sv-sub-menu__item {
    position: relative;
}

.sv-sub-menu__list {
    display: none;
}

.sv-sub-menu__list--level1.sv-sub-menu__list,
.sv-sub-menu__item--open > .sv-sub-menu__list {
    display: block;
}

.sv-sub-menu__item {
    border-top-width: 1px;
    border-top-style: solid;
}

.sv-sub-menu__toggler {
    position: absolute;
    right: 0;
    top: 0;
    padding: 13px;
    border-top: none;
    border-bottom: none;
    border-right: none;
    border-left-width: 1px;
    border-left-style: solid;
    background-color: transparent;
    width: 50px
}

.sv-sub-menu__toggler:after {
    content: '+';
    font-size: 24px;
    line-height: .6;
}

.sv-sub-menu__item--open > .sv-sub-menu__toggler:after {
    content: '\2013';
}

.sv-sub-menu__item a {
    display: block;
    text-decoration: none;
    padding: 13px 20px;
}

.sv-sub-menu__list--level3 .sv-sub-menu__item a {
    padding-left: 30px;
}

.sv-sub-menu__list--level4 .sv-sub-menu__item a {
    padding-left: 40px;
}

.sv-sub-menu__list--level5 .sv-sub-menu__item a {
    padding-left: 50px;
}

.sv-sub-menu__item--current > a {
    font-weight: 600;
}

.sv-sub-menu__list {
    list-style: none;
}

@media screen and (max-width: 480px) {

   .sv-sub-menu {
      display: none;
   }

   .sv-sub-menu--open {
      display: block;
   }
}

@media screen and (min-width: 480px) {

   .sv-sub-menu__toggler {
       border: none;
   }

    /* hide everything but current branch */
    .sv-sub-menu__list--level1 > .sv-sub-menu__item {
        display: none;
    }

    .sv-sub-menu__list--level1 > .sv-sub-menu__item > .sv-sub-menu__toggler {
        display: none;
    }

    .sv-sub-menu__list--level1 > .sv-sub-menu__item--open {
        display: block;
    }
}