Babylon.js/inspector/sass/tabs/_gltfTab.scss

.tab-panel {
    .gltf-actions {
        overflow-y: auto;
        padding-left: 5px;

        .gltf-title {
            font-size     : 1.1em;
            padding-bottom: 10px;
            border-bottom : 1px solid $color-bot;
            margin        : 10px 0 10px 0;
        }

        .gltf-input {
            background-color: $background-lighter;
            border          : none;
            outline         : none;
            font-family     : $font;
            color           : darken($color, 10%);
            padding         : 5px;
            margin          : 0px 6px 0px 0;

            &:hover {
                background-color:$background-lighter2;
            }
        }

        .gltf-button {
            background-color: $background-lighter;
            border          : none;
            outline         : none;
            font-family     : $font;
            color           : $color;
            padding         : 5px 10px;
            margin          : 0px 6px 0px 0;

            &:hover {
                background-color:$background-lighter2;
            }

            &:active {
                background-color:$background-lighter3;
            }
        }
    }
}