<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        
        <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500&display=swap" rel="stylesheet">
        <link rel="stylesheet" href="css/style.css">
        
        <title>Slider</title>
    </head>
    <body>
        <div class="container"> 
            <div class="slider">

                <div class="box1 box">
                    <div class="bg"></div>
                    <div class="details">
                        <h1>I'm the first Box</h1>
                        <p>
                            Lorem ipsum dolor sit amet, consectetur adipiscing 
                            elit. Integer lacinia dui lectus. Donec scelerisque ipsum
                            diam, ac mattis orci pellentesque eget. 
                        </p>
                        <button>Check Now</button>
                    </div>

                    <div class="illustration"><div class="inner"></div></div>
                </div>
                                
                
                <div class="box2 box">
                    <div class="bg"></div>
                    <div class="details">
                        <h1>I'm the second Box</h1>
                        <p>
                            Lorem ipsum dolor sit amet, consectetur adipiscing 
                            elit. Integer lacinia dui lectus. Donec scelerisque ipsum
                            diam, ac mattis orci pellentesque eget. 
                        </p>
                        <button>Check Now</button>
                    </div>

                    <div class="illustration"><div class="inner"></div></div>
                </div>
                                
                <div class="box3 box">
                    <div class="bg"></div>
                    <div class="details">
                        <h1>I'm the third Box</h1>
                        <p>
                            Lorem ipsum dolor sit amet, consectetur adipiscing 
                            elit. Integer lacinia dui lectus. Donec scelerisque ipsum
                            diam, ac mattis orci pellentesque eget. 
                        </p>
                        <button>Check Now</button>
                    </div>

                    <div class="illustration"><div class="inner"></div></div>
                </div>
                                
                <div class="box4 box">
                    <div class="bg"></div>
                    <div class="details">
                        <h1>I'm the fourth Box</h1>
                        <p>
                            Lorem ipsum dolor sit amet, consectetur adipiscing 
                            elit. Integer lacinia dui lectus. Donec scelerisque ipsum
                            diam, ac mattis orci pellentesque eget. 
                        </p>
                        <button>Check Now</button>
                    </div>

                    <div class="illustration"><div class="inner"></div></div>
                </div>
                                
                <div class="box5 box">
                    <div class="bg"></div>
                    <div class="details">
                        <h1>I'm the fifth Box</h1>
                        <p>
                            Lorem ipsum dolor sit amet, consectetur adipiscing 
                            elit. Integer lacinia dui lectus. Donec scelerisque ipsum
                            diam, ac mattis orci pellentesque eget. 
                        </p>
                        <button>Check Now</button>
                    </div>

                    <div class="illustration"><div class="inner"></div></div>
                </div>
                                
            </div>

            <svg xmlns="http://www.w3.org/2000/svg" class="prev" width="56.898" height="91" viewBox="0 0 56.898 91"><path d="M45.5,0,91,56.9,48.452,24.068,0,56.9Z" transform="translate(0 91) rotate(-90)" fill="#fff"/></svg>
            <svg xmlns="http://www.w3.org/2000/svg" class="next" width="56.898" height="91" viewBox="0 0 56.898 91"><path d="M45.5,0,91,56.9,48.452,24.068,0,56.9Z" transform="translate(56.898) rotate(90)" fill="#fff"/></svg>
            <div class="trail">
                    <div class="box1 active">1</div>
                    <div class="box2">2</div>
                    <div class="box3">3</div>
                    <div class="box4">4</div>
                    <div class="box5">5</div>
            </div>
        </div>   
        <script src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/16327/gsap-latest-beta.min.js"></script>
        <script src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/16327/CSSRulePlugin3.min.js"></script>
        
        <!-- <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.3.2/gsap.min.js"></script>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.3.2/CSSRulePlugin.min.js"></script> -->
        <script src="script.js"></script>
    </body>
</html>
// Colors
$b1cd: #500033;
$b1cl: #FF0077;
$b2cd: #000050;
$b2cl: #0033FF;
$b3cd: #00501D;
$b3cl: #00FF44;
$b4cd: #554D00;
$b4cl: #FF4E00;
$b5cd: #300050;
$b5cl: #8000FF;
$black: #000;
$white: #fff;
$grey: #B5B4B4;

////////// Mixin 

// Generate different colors for slides
@mixin color_render($DC, $LC) {
    background-color: $DC;
    .illustration .inner {
        background-color: $LC;
        &::after, &::before{ background-color: rgba($LC, .4);}
    }
    button {background-color: $LC;}
}

*,
*:before,
*:after {
    margin: 0;
    padding: 0;
    box-sizing: inherit;
}


html {
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
    font-size: 62.5%;  

    @media only screen and (max-width: 800px) {
        font-size: 57%;
    }
}

body {
    background-color: #000;
    color: $white;
    padding: 8rem;
    @media only screen and (max-width: 1000px) {
        padding: 0;
    }
}

.container {
    position: relative;
    overflow: hidden;   
    border-radius: 5rem;

    @media only screen and (max-width: 1000px) {
        border-radius: 0;
    }
}

.slider {
    display: flex;
    width: 500%;
    height: 55rem;
    transition: all .25s ease-in;
    // overflow-x: auto;
    // scroll-snap-type: x mandatory;
    // -webkit-overflow-scrolling: touch;
    // scroll-behavior: smooth;
    transform: translateX(0);

    @media only screen and (max-width: 1000px) {
        height: 100vh;
    }

    .box {
        height: 100%;
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        align-items: center;
        overflow: hidden;
        position: relative;

        @media only screen and (max-width: 650px) {
            grid-template-columns: 1fr;
            grid-template-rows: repeat(2, 1fr);
        }
        
        .bg {
            padding: 2rem;
            background-color: rgba($black, .2);
            width: 55%;
            transform: skewX(7deg);
            position: absolute;
            height: 100%;
            left: -10%;
            padding-left: 20rem;    
            transform-origin: 0 100%;     
            
            @media only screen and (max-width: 800px) {
                width: 65%;
            }

            @media only screen and (max-width: 650px) {
                width: 100%;
                left: 0;
                bottom: 0;
                height: 54%;
                transform: skewX(0deg);
            }

            &::before {
                content: "";
                width: 100%;
                height: 100%;
                position: absolute;
                left: 0;
                top: 0;
                background-color: inherit;
                pointer-events: none;
                transform: skewX(10deg);

                @media only screen and (max-width: 650px) {
                    width: 120%;
                    bottom: 0;
                    transform: skewX(0deg);
                }

            }
        }

        .details {
            padding: 5rem;
            padding-left: 10rem;
            z-index: 100;
            grid-column: 1 / span 1;
            grid-row: 1 / -1;

            @media only screen and (max-width: 650px) {
                grid-row: 2 / span 1;
                grid-column: 1 / -1;
                text-align: center;
                padding:2rem;
                transform: translateY(-9rem);
            }
            
            h1 {
                font-size: 3.5rem;
                font-weight: 500;
                margin-bottom: .5rem;
            }

            p {
                display: inline-block;
                font-size: 1.3rem;
                color: $grey;
                margin-bottom: 2rem;
                margin-right: 5rem;

                @media only screen and (max-width: 800px) {
                    margin-right: 0;
                }
            }

            button {
                padding: 1rem 3rem;
                color: $white;
                border-radius: 2rem;
                outline: none;
                border: none;
                cursor: pointer;
                transition: all .3s ease;

                &:hover {opacity: .8;}
    
                &:focus {
                    outline: none;
                    border: none;
                }
            }
        }
    }

    .box1 {@include color_render($b1cd, $b1cl)}
    .box2 {@include color_render($b2cd, $b2cl)}
    .box3 {@include color_render($b3cd, $b3cl)}
    .box4 {@include color_render($b4cd, $b4cl)}
    .box5 {@include color_render($b5cd, $b5cl)}

    .illustration {
        grid-column: 2 / -1;
        grid-row: 1 / -1;
        justify-self: center;

        @media only screen and (max-width: 650px) {
            grid-row: 1 / span 1;
            grid-column: 1 / -1;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        div {
            height: 25rem;
            width: 18rem;
            border-radius: 3rem;
            background-color: $b1cl;
            position: relative;
            transform: skewX(-10deg);

            @media only screen and (max-width: 800px) {
                height: 20rem;
                width: 15rem;
            }

            &::after,
            &::before {
                content: "";
                position: absolute;
                height: 100%;
                width: 100%;
                border-radius: 3rem;
                top: 0;
                left: 0;
            }

            &::after {transform: translate(4rem, -1rem);}
            &::before {transform: translate(2rem, -2rem);}
        }
    }
}

.prev,
.next,
.trail {
    z-index: 10000;
    position: absolute;
}

.prev,
.next {
    width: 4rem;
    cursor: pointer;
    opacity: .2;
    transition: all .3s ease;

    @media only screen and (max-width: 650px) {
       display: none;
    }

    &:hover { opacity: 1;}
}
.prev {
    top: 50%;
    left: 2%;
    transform: translateY(-50%);
}

.next {
    top: 50%;
    right: 2%;
    transform: translateY(-50%);
}

.trail {
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    text-align: center;
    font-size: 1.5rem;

    @media only screen and (max-width: 650px) {
        width: 90%;
        bottom: 13%;
    }

    div {
        padding: 2rem;
        border-top: 3px solid #fff;
        cursor: pointer;
        opacity: .3;
        transition: all 0.3s ease;

        &:hover {opacity: .6;}

        @media only screen and (max-width: 650px) {
            padding: 1rem;
        }
    }
}

.active {
    opacity: 1 !important;
}
View Compiled
// Slider(all Slides in a container)
const slider = document.querySelector(".slider")
// All trails 
const trail = document.querySelector(".trail").querySelectorAll("div")

// Transform value
let value = 0
// trail index number
let trailValue = 0
// interval (Duration)
let interval = 4000

// Function to slide forward
const slide = (condition) => {
    // CLear interval
    clearInterval(start)
    // update value and trailValue
    condition === "increase" ? initiateINC() : initiateDEC()
    // move slide
    move(value, trailValue)
    // Restart Animation
    animate()
    // start interal for slides back 
    start = setInterval(() => slide("increase"), interval);
}

// function for increase(forward, next) configuration
const initiateINC = () => {
    // Remove active from all trails
    trail.forEach(cur => cur.classList.remove("active"))
    // increase transform value
    value === 80 ? value = 0 : value += 20
    // update trailValue based on value
    trailUpdate()
}

// function for decrease(backward, previous) configuration
const initiateDEC = () => {
     // Remove active from all trails
    trail.forEach(cur => cur.classList.remove("active"))
    // decrease transform value
    value === 0 ? value = 80 : value -= 20
     // update trailValue based on value
    trailUpdate()
}

// function to transform slide 
const move = (S, T) => {
    // transform slider
    slider.style.transform = `translateX(-${S}%)`
    //add active class to the current trail
    trail[T].classList.add("active")
}

const tl = gsap.timeline({defaults: {duration: 0.6, ease: "power2.inOut"}})
tl.from(".bg", {x: "-100%", opacity: 0})
  .from("p", {opacity: 0}, "-=0.3")
  .from("h1", {opacity: 0, y: "30px"}, "-=0.3")
  .from("button", {opacity: 0, y: "-40px"}, "-=0.8")

// function to restart animation
const animate = () => tl.restart()

// function to update trailValue based on slide value
const trailUpdate = () => {
    if (value === 0) {
        trailValue = 0
    } else if (value === 20) {
        trailValue = 1
    } else if (value === 40) {
        trailValue = 2
    } else if (value === 60) {
        trailValue = 3
    } else {
        trailValue = 4
    }
}   

// Start interval for slides
let start = setInterval(() => slide("increase"), interval)

// Next  and  Previous button function (SVG icon with different classes)
document.querySelectorAll("svg").forEach(cur => {
    // Assign function based on the class Name("next" and "prev")
    cur.addEventListener("click", () => cur.classList.contains("next") ? slide("increase") : slide("decrease"))
})

// function to slide when trail is clicked
const clickCheck = (e) => {
    // CLear interval
    clearInterval(start)
    // remove active class from all trails
    trail.forEach(cur => cur.classList.remove("active"))
    // Get selected trail
    const check = e.target
    // add active class
    check.classList.add("active")

    // Update slide value based on the selected trail
    if(check.classList.contains("box1")) {
        value = 0
    } else if (check.classList.contains("box2")) {
        value = 20
    } else if (check.classList.contains("box3")) {
        value = 40
    } else if (check.classList.contains("box4")) {
        value = 60
    } else {
        value = 80
    }
    // update trail based on value
    trailUpdate()
    // transfrom slide
    move(value, trailValue)
    // start animation
    animate()
    // start interval
    start = setInterval(() => slide("increase"), interval)
}

// Add function to all trails
trail.forEach(cur => cur.addEventListener("click", (ev) => clickCheck(ev)))

// Mobile touch Slide Section
const touchSlide = (() => {
    let start, move, change, sliderWidth

    // Do this on initial touch on screen
    slider.addEventListener("touchstart", (e) => {
        // get the touche position of X on the screen
        start = e.touches[0].clientX
        // (each slide with) the width of the slider container divided by the number of slides
        sliderWidth = slider.clientWidth/trail.length
    })
    
    // Do this on touchDrag on screen
    slider.addEventListener("touchmove", (e) => {
        // prevent default function
        e.preventDefault()
        // get the touche position of X on the screen when dragging stops
        move = e.touches[0].clientX
        // Subtract initial position from end position and save to change variabla
        change = start - move
    })

    const mobile = (e) => {
        // if change is greater than a quarter of sliderWidth, next else Do NOTHING
        change > (sliderWidth/4)  ? slide("increase") : null;
        // if change * -1 is greater than a quarter of sliderWidth, prev else Do NOTHING
        (change * -1) > (sliderWidth/4) ? slide("decrease") : null;
        // reset all variable to 0
        [start, move, change, sliderWidth] = [0,0,0,0]
    }
    // call mobile on touch end
    slider.addEventListener("touchend", mobile)
})()
Run Pen

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.