.close-icon {
    width: 30px;
    height: 30px;
    position: relative;
    background-color: transparent;
    border: none;
    display: block;
    transition: transform 0.3s ease;
}

.close-icon::before, .close-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 3px;
    background-color: rgba(0, 0, 0, .55);
    transition: transform 0.3s ease;
    border-color: rgba(0, 0, 0, .1);
}

.close-icon::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.close-icon::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

@media only screen and (max-width: 991px) {
    .ms-auto {
        margin-left: auto !important;
        background: white;
        margin: 2px;
        padding: 15px;
    }
}