nitro-react/src/components/toolbar/ToolbarView.scss

.nitro-toolbar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: $toolbar-height;
    z-index: $toolbar-zindex;
    pointer-events: all;
    background: rgba($dark, 0.95);
    box-shadow: inset 0px 5px lighten(rgba($dark, 0.6), 2.5),
        inset 0 -4px darken(rgba($dark, 0.6), 4);

    .navigation-item {
        position: relative;

        &.item-avatar {
            width: 50px;
            height: 45px;
            overflow: hidden;
    
            .avatar-image {
                margin-left: -5px;
                margin-top: 25px;
            }
        }

        &:hover {
            -webkit-transform: translate(-1px, -1px);
            transform: translate(-1px, -1px);
            filter: drop-shadow(2px 2px 0 rgba($black, 0.8));
        }

        &.active,
        &:active {
            -webkit-transform: unset;
            transform: unset;
            filter: none;
        }
    }

    #toolbar-chat-input-container {

        @include media-breakpoint-down(sm) {
            width: 0px;
            height: 0px;
        }
    }
}

.nitro-toolbar-me {
    position: absolute;
    bottom: 60px;
    left: 15px;
    z-index: $toolbar-memenu-zindex;
    background: rgba(20, 20, 20, .95);
    border: 1px solid #101010;
    box-shadow: inset 2px 2px rgba(255, 255, 255, .1), inset -2px -2px rgba(255, 255, 255, .1);
    border-radius: $border-radius;

    .navigation-item {
        transition: filter .2s ease-out;
        filter: grayscale(1);

        &:hover {
            filter: grayscale(0) drop-shadow(2px 2px 0 rgba($black, 0.8));
        }
    }
}

.toolbar-icon-animation {
    position: absolute;
    object-fit: cover;
    height: auto;
    width: auto;
    max-width: 120px;
    max-height: 150px;
    z-index: 500;
    filter: drop-shadow(2px 1px 0 rgba($white, 1))
        drop-shadow(-2px 1px 0 rgba($white, 1))
        drop-shadow(0 -2px 0 rgba($white, 1));
}