.drill {
    background-color: #f3f3f3;
    border-radius: 3px;
    padding: 1rem;
}

.drill-link{
    display: inline-block;
    color:#4c4f56;
}

.drill-link:hover{
    text-decoration: underline;
}

.drill-list {
    display: none;
    opacity: 0;
    margin: 0;
    padding-left:1rem;
}

.drill-list.close {
    animation: drillFadeOut 0.3s forwards ease;
}

.drill-list.open {
    display: block;
    opacity: 1;
    animation: drillFadeIn 0.3s forwards ease;
}

@keyframes drillFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes drillFadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

.drill-item {
    list-style: none inside none;
}

.drill-top,
.drill-list {
    user-select:none
}
.drill-item,
.drill-top {
    margin: 0.75rem;
}
.drill-top,
.drill-inner {
    display: flex;
    align-items: baseline;
}

.drill-arrow {
    display: inline-block;
    margin-left: -4px;
    margin-bottom: -1px;
    margin-right: 6px;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-left: 10px solid #374e5a;
    height: 15px;
    width: 15px;
    cursor: pointer;
    transform: rotate(0deg);
    transition: all 0.3s 0s ease;
}
.drill-arrow.on {
    transform: rotate(90deg);
}

.drill-arrow__none {
    visibility: hidden;
}
.nav-path-selected {
    list-style-type: none;
    margin: 0.75rem;
}
.drill-itemnav-path-selected {
    list-style-type: none;
}

.nav-path-selected > .drill-inner a,
.current-page .drill-top {
    font-weight: bold;
}