.tether-element,
.tether-element *,
.tether-element :after,
.tether-element :before,
.tether-element:after,
.tether-element:before {
    box-sizing: border-box
}

.tether-element {
    position: absolute;
    display: none
}

.tether-element.tether-open {
    display: block
}