Владимир Кашутин

position: fixed;
top: 100px;
height: calc(100vh - 100px);
overflow-y: scroll;

.item:active {
  background-color: #f00;
}

class Slider {
    constructor() {
        console.log('Slider')
    }
    index() {
        console.log('index')
    }
}

class Events extends Slider {
    constructor() {
		super()
        console.log('Events')
    }
}
var events = new Events()
events.index()

var rename = require("gulp-rename")
gulp.task('vendor:img', function(){
    return gulp.src(path.src.vendor_img)
    .pipe(imagemin({
        progressive: true,
        interlaced: true,
        use: [pngguant()]
    }))
    .pipe(rename(function (path){
       path.dirname = 'build/'
    }))
    .pipe(gulp.dest(path.build.img))
});