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I have a testimonials part on my website like this, when I have a total of three testimonials:

Now, if I add more testimonials, however, it becomes crowded like this:

Let one section be three testimonials, as shown in the first image. I want a total of three sections, with three testimonials per each section like I showed in the first image. It should look exactly like that. So, a total of 9 testimonials (3 sections, 3 testimonials per section).

Here's my code (with a total of 6 testimonials):

let currentTestimonialIndex = 0;
const testimonialsPerSlide = 3;
const totalTestimonials = 9; // Total testimonials
const totalSections = totalTestimonials / testimonialsPerSlide;
const slider = document.querySelector(".testimonial-slider");

function showTestimonial(index) {
  let offset = -(index * 100); // Moves 100% per section
  slider.style.transform = `translateX(${offset}%)`;
}

function prevTestimonial() {
  currentTestimonialIndex = (currentTestimonialIndex === 0) ? totalSections - 1 : currentTestimonialIndex - 1;
  showTestimonial(currentTestimonialIndex);
}

function nextTestimonial() {
  currentTestimonialIndex = (currentTestimonialIndex === totalSections - 1) ? 0 : currentTestimonialIndex + 1;
  showTestimonial(currentTestimonialIndex);
}
/* Testimonials Section */
.testimonials-container {
  background-color: #E7C79A;
  /* Soft beige background matching the website */
  padding: 60px 50px;
  text-align: center;
  border-radius: 15px;
  margin-top: 50px;
  max-width: 90%;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  overflow: hidden;
}

/* Section Title */
.testimonials-title {
  color: rgba(50, 40, 30, 0.8);
  letter-spacing: 1px;
  margin-bottom: 5px;
}

.testimonials-heading {
  font-weight: bold;
  color: #6D4C41;
  /* Brown color matching the website */
  margin-bottom: 30px;
  /* Moved testimonials 30px down */
}

/* Testimonials Wrapper */
.testimonial-wrapper {
  display: flex;
  justify-content: center;
  /* Centers the testimonial */
  align-items: center;
  position: relative;
  overflow: hidden;
  width: 100%;
}

/* Hide testimonials except for the active one */
.testimonial-slider {
  display: flex;
  transition: transform 0.5s ease-in-out;
  /* Smooth sliding effect */
  width: 210%;
  /* Ensures all testimonials are positioned in a row */
}

.testimonial {
  flex: 0 0 100%;
  /* Each testimonial takes full width */
  margin: 0 auto;
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-align: left;
  box-sizing: border-box;
  flex-basis: 20%;
  max-width: 800px;
}

/* Ensure only the active testimonial is shown */
.testimonial.active {
  display: block;
}

/* Star Rating */
.star-rating {
  color: #F4C150;
  /* Gold stars */
  font-size: 18px;
}

/* Testimonial Text */
.testimonial-text {
  font-size: 16px;
  color: rgba(50, 40, 30, 0.9);
  line-height: 1.5;
}

/* Testimonial Author */
.testimonial-author {
  font-size: 18px;
  font-weight: bold;
  color: #6D4C41;
  /* Brown matching the website */
}

.testimonial-role {
  font-size: 14px;
  color: rgba(50, 40, 30, 0.7);
}

/* Navigation Buttons */
.testimonial-nav {
  position: absolute;
  top: 50%;
  /* Centers buttons relative to testimonial */
  transform: translateY(-50%);
  background: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  font-size: 18px;
  color: #6D4C41;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-nav:hover {
  background: #6D4C41;
  color: white;
}

.left-nav {
  left: 10px;
}

.right-nav {
  right: 10px;
}
<div class="testimonials-container">
  <h2 class="testimonials-title">What Our Users Say</h2>
  <h1 class="testimonials-heading">Trusted by Users & Consultants</h1>

  <div class="testimonial-wrapper">
    <button class="testimonial-nav left-nav" onclick="prevTestimonial()">&#10094;</button>

    <div class="testimonial-slider">
      <div class="testimonial active">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "This consultation service made it easy to find the right expert. The process was seamless, and I got valuable insights!"
        </div>
        <div class="testimonial-author">James R.</div>
        <div class="testimonial-role">Consultation User</div>
      </div>

      <div class="testimonial">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "The platform is intuitive and efficient. I booked a consult within minutes and got exactly the advice I needed!"
        </div>
        <div class="testimonial-author">Samantha L.</div>
        <div class="testimonial-role">User - Business Strategy Consultation</div>
      </div>

      <div class="testimonial">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "As a consultant, I appreciate the seamless booking system. Clients can connect with me easily, and the interface is smooth!"
        </div>
        <div class="testimonial-author">Dr. Michael K.</div>
        <div class="testimonial-role">Registered Consultant</div>
      </div>

      <div class="testimonial">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "As a consultant, I appreciate the seamless booking system. Clients can connect with me easily, and the interface is smooth!"
        </div>
        <div class="testimonial-author">Dr. Michael K.</div>
        <div class="testimonial-role">Registered Consultant</div>
      </div>

      <div class="testimonial">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "As a consultant, I appreciate the seamless booking system. Clients can connect with me easily, and the interface is smooth!"
        </div>
        <div class="testimonial-author">Dr. Michael K.</div>
        <div class="testimonial-role">Registered Consultant</div>
      </div>

      <div class="testimonial">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "As a consultant, I appreciate the seamless booking system. Clients can connect with me easily, and the interface is smooth!"
        </div>
        <div class="testimonial-author">Dr. Michael K.</div>
        <div class="testimonial-role">Registered Consultant</div>
      </div>
    </div>

    <button class="testimonial-nav right-nav" onclick="nextTestimonial()">&#10095;</button>
  </div>
</div>

I have a testimonials part on my website like this, when I have a total of three testimonials:

Now, if I add more testimonials, however, it becomes crowded like this:

Let one section be three testimonials, as shown in the first image. I want a total of three sections, with three testimonials per each section like I showed in the first image. It should look exactly like that. So, a total of 9 testimonials (3 sections, 3 testimonials per section).

Here's my code (with a total of 6 testimonials):

let currentTestimonialIndex = 0;
const testimonialsPerSlide = 3;
const totalTestimonials = 9; // Total testimonials
const totalSections = totalTestimonials / testimonialsPerSlide;
const slider = document.querySelector(".testimonial-slider");

function showTestimonial(index) {
  let offset = -(index * 100); // Moves 100% per section
  slider.style.transform = `translateX(${offset}%)`;
}

function prevTestimonial() {
  currentTestimonialIndex = (currentTestimonialIndex === 0) ? totalSections - 1 : currentTestimonialIndex - 1;
  showTestimonial(currentTestimonialIndex);
}

function nextTestimonial() {
  currentTestimonialIndex = (currentTestimonialIndex === totalSections - 1) ? 0 : currentTestimonialIndex + 1;
  showTestimonial(currentTestimonialIndex);
}
/* Testimonials Section */
.testimonials-container {
  background-color: #E7C79A;
  /* Soft beige background matching the website */
  padding: 60px 50px;
  text-align: center;
  border-radius: 15px;
  margin-top: 50px;
  max-width: 90%;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  overflow: hidden;
}

/* Section Title */
.testimonials-title {
  color: rgba(50, 40, 30, 0.8);
  letter-spacing: 1px;
  margin-bottom: 5px;
}

.testimonials-heading {
  font-weight: bold;
  color: #6D4C41;
  /* Brown color matching the website */
  margin-bottom: 30px;
  /* Moved testimonials 30px down */
}

/* Testimonials Wrapper */
.testimonial-wrapper {
  display: flex;
  justify-content: center;
  /* Centers the testimonial */
  align-items: center;
  position: relative;
  overflow: hidden;
  width: 100%;
}

/* Hide testimonials except for the active one */
.testimonial-slider {
  display: flex;
  transition: transform 0.5s ease-in-out;
  /* Smooth sliding effect */
  width: 210%;
  /* Ensures all testimonials are positioned in a row */
}

.testimonial {
  flex: 0 0 100%;
  /* Each testimonial takes full width */
  margin: 0 auto;
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-align: left;
  box-sizing: border-box;
  flex-basis: 20%;
  max-width: 800px;
}

/* Ensure only the active testimonial is shown */
.testimonial.active {
  display: block;
}

/* Star Rating */
.star-rating {
  color: #F4C150;
  /* Gold stars */
  font-size: 18px;
}

/* Testimonial Text */
.testimonial-text {
  font-size: 16px;
  color: rgba(50, 40, 30, 0.9);
  line-height: 1.5;
}

/* Testimonial Author */
.testimonial-author {
  font-size: 18px;
  font-weight: bold;
  color: #6D4C41;
  /* Brown matching the website */
}

.testimonial-role {
  font-size: 14px;
  color: rgba(50, 40, 30, 0.7);
}

/* Navigation Buttons */
.testimonial-nav {
  position: absolute;
  top: 50%;
  /* Centers buttons relative to testimonial */
  transform: translateY(-50%);
  background: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  font-size: 18px;
  color: #6D4C41;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-nav:hover {
  background: #6D4C41;
  color: white;
}

.left-nav {
  left: 10px;
}

.right-nav {
  right: 10px;
}
<div class="testimonials-container">
  <h2 class="testimonials-title">What Our Users Say</h2>
  <h1 class="testimonials-heading">Trusted by Users & Consultants</h1>

  <div class="testimonial-wrapper">
    <button class="testimonial-nav left-nav" onclick="prevTestimonial()">&#10094;</button>

    <div class="testimonial-slider">
      <div class="testimonial active">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "This consultation service made it easy to find the right expert. The process was seamless, and I got valuable insights!"
        </div>
        <div class="testimonial-author">James R.</div>
        <div class="testimonial-role">Consultation User</div>
      </div>

      <div class="testimonial">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "The platform is intuitive and efficient. I booked a consult within minutes and got exactly the advice I needed!"
        </div>
        <div class="testimonial-author">Samantha L.</div>
        <div class="testimonial-role">User - Business Strategy Consultation</div>
      </div>

      <div class="testimonial">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "As a consultant, I appreciate the seamless booking system. Clients can connect with me easily, and the interface is smooth!"
        </div>
        <div class="testimonial-author">Dr. Michael K.</div>
        <div class="testimonial-role">Registered Consultant</div>
      </div>

      <div class="testimonial">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "As a consultant, I appreciate the seamless booking system. Clients can connect with me easily, and the interface is smooth!"
        </div>
        <div class="testimonial-author">Dr. Michael K.</div>
        <div class="testimonial-role">Registered Consultant</div>
      </div>

      <div class="testimonial">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "As a consultant, I appreciate the seamless booking system. Clients can connect with me easily, and the interface is smooth!"
        </div>
        <div class="testimonial-author">Dr. Michael K.</div>
        <div class="testimonial-role">Registered Consultant</div>
      </div>

      <div class="testimonial">
        <div class="star-rating">★★★★★</div>
        <div class="testimonial-text">
          "As a consultant, I appreciate the seamless booking system. Clients can connect with me easily, and the interface is smooth!"
        </div>
        <div class="testimonial-author">Dr. Michael K.</div>
        <div class="testimonial-role">Registered Consultant</div>
      </div>
    </div>

    <button class="testimonial-nav right-nav" onclick="nextTestimonial()">&#10095;</button>
  </div>
</div>

  • javascript
  • html
  • css
Share edited Feb 12 at 10:49 vsync 131k59 gold badges340 silver badges422 bronze badges asked Feb 12 at 9:11 God GamerGod Gamer 311 silver badge6 bronze badges
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2 Answers 2

Reset to default 1

Below is a CSS-only solution for styling such a carousel component so if there are many items, they will overflow the scrollable container and will retain their gap between each other.

The flex gap is built dynamically so only 3 items fit, no matter what:

At the end it's just mathematics of gap-management.

Try resizing the below carousel to see it in action. All you have to do now is scroll to the next/previous 3rd item (scrollIntoView) and detect edges so you could just to the other end of the carousel and an edge has reched.

.carousel {
  --item-width: 100px;
  --items-per-view: 3;

  width: 477px;
  border: 2px solid red;
  position: relative;

  overflow: hidden; 
  resize: horizontal;

  > ul {
    list-style: none;
    margin: 0; 
    padding: 0;

    display: flex;
    gap: calc((100% - (var(--item-width) * var(--items-per-view))) / (var(--items-per-view) - 1)); 
    justify-content: space-between;

    > li {
      height: 160px;
      min-width: var(--item-width); /* 

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