/*
*
* ==========================================
* CUSTOM UTIL CLASSES
* ==========================================
*
*/
/* Horizontal line */
.btn-link::before {
    content: '';
    width: 14px;
    height: 2px;
    background: #333;
    position: absolute;
    top: calc(50% - 1px);
    right: 1rem;
    display: block;
    transition: all 0.3s;
}

/* Vertical line */
.btn-link::after {
    content: '';
    width: 2px;
    height: 14px;
    background: #333;
    position: absolute;
    top: calc(50% - 7px);
    right: calc(1rem + 6px);
    display: block;
    transition: all 0.3s;
}

.btn-link[aria-expanded='true']::after {
    transform: rotate(90deg) translateX(-1px);
}

.btn-link[aria-expanded='true']::before {
    transform: rotate(180deg);
}


/*
*
* ==========================================
* FOR DEMO PURPOSES
* ==========================================
*
*/