<div class="css-scroll-down">
        <div class="single-scroll-down-animation animation1">
            <!-- animation-1 -->
            <h4>scroll effect-1</h4>

            <!-- copy from here -->
            <div class="scroll-down1">
                <i class="fa fa-angle-down"></i>
            </div>
        </div>

        <div class="single-scroll-down-animation animation2">
            <!-- animation-2 -->
            <h4>scroll effect-2</h4>

            <!-- copy from here -->
            <div class="scroll-down2"></div>
        </div>

        <div class="single-scroll-down-animation animation3">
            <!-- animation-3 -->
            <h4>scroll effect-3</h4>

            <!-- copy from here -->
            <div class="scroll-down3">
                <i class="fa fa-angle-down"></i>
            </div>
        </div>

        <div class="single-scroll-down-animation animation4">
            <!-- animation-4 -->
            <h4>scroll effect-4</h4>

            <!-- copy from here -->
            <div class="scroll-down4"></div>
        </div>

        <div class="single-scroll-down-animation animation5">
            <!-- animation-5 -->
            <h4>scroll effect-5</h4>

            <!-- copy from here -->
            <div class="scroll-down5"></div>
        </div>
    </div>

@import url("https://fonts.googleapis.com/css?family=Montserrat:400,600,700,800,900");
* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
  
}

*:focus {
  box-shadow: none;
  border: none;
  outline: none;
}

body,
html {
  height: 100%;
  width: 100%;
}

body,
p {
  font: 400 18px/30px "Poppins", sans-serif;
  color: #5d6483;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: #4154fe;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
a {
  margin: 0px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
  -webkit-font-variant-ligatures: common-ligatures;
  font-variant-ligatures: common-ligatures;
}

a:hover,
a:focus,
input:focus,
button:focus,
a:active {
  text-decoration: none;
  outline: none;
  outline-offset: 0px;
  box-shadow: none;
}

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

input,
textarea,
select {
  border: 1px solid #d1d1d1;
  font-size: 14px;
  padding: 8px 15px;
  width: 100%;
  resize: none;
}
/*-----end default style (you can remove this code)------*/


//Css Scroll Down Animation - Pure Css3 Effect
.css-scroll-down{
    display: flex;
    flex-flow: row;
    align-items: flex-start;
    padding: 50px 30px;

    .single-scroll-down-animation{
        margin-right: 20px;
        width: calc(25% - 20px);
        margin-bottom: 50px;

        h4 {
            text-transform: uppercase;
            font-weight: 700;
            font-size: 20px;
            text-align: center;
            margin-bottom: 30px;
        }
    }
}

//----scroll animation-1------
.scroll-down1{
    width: 50px;
    height: 50px;
    border-radius: 100%;
    border:  2px solid #00b4ff;
    font-size: 30px;
    overflow: hidden; 
    cursor: pointer;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto; //---you can romove this line---

    i{
        color: #00b4ff;
        animation: scrollDown1 1.5s ease infinite;
    }
}

@keyframes scrollDown1{
    0%{
        transform: translateY(-15px);
        opacity: 0;
    }
    50%{
        transform: translateY(0px);
        opacity: 1;
    }
    100%{
        transform: translateY(15px);
        opacity: 0;
    }
}


//---------scroll animation-2---------
.scroll-down2{
    width: 30px;
    height: 50px;
    border: 2px solid #00b4ff;
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    margin: 0 auto; //---you can romove this line---

    &:before{
        content: "";
        position: absolute;
        left: 50%;
        top: 20px;
        width: 6px;
        height: 6px;
        border-radius: 100%;
        transform: translateX(-50%);
        background: #00b0ff;
        animation: scrollDown2 1.5s ease infinite;
    }
    &:after{
        content: "";
        position: absolute;
        left: 50%;
        top: 5px;
        width: 6px;
        height: 15px;
        border-radius: 3px;
        transform: translateX(-50%);
        background: #00b0ff;
    }
}

@keyframes scrollDown2{
    0%{
        transform: translate(-50%, 0px);
        opacity: 0;
    }
    50%{
        transform: translate(-50%, 8px);
        opacity: 1;
    }
    100%{
        transform: translate(-50%, 16px);
        opacity: 0;
    }
}


//---------scroll animation-3---------
.scroll-down3{
    width: 50px;
    height: 50px;
    border-radius: 100%;
    border:  2px solid #00b4ff;
    font-size: 30px;
    overflow: hidden; 
    cursor: pointer;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto; //---you can romove this line---

    i{
        color: #00b4ff;
        animation: scrollDown3 2s ease infinite;
    }
}

@keyframes scrollDown3{
    0%{
        transform: translateY(-15px);
        opacity: 0;
    }
    45%{
        transform: translateY(0px);
        opacity: 1;
    }
    65%{
        transform: translateY(-5px);
        opacity: 1;
    }
    100%{
        transform: translateY(15px);
        opacity: 0;
    }
}

//---------scroll animation-4---------
.scroll-down4{
    width: 3px;
    height: 80px;
    background: #00b0ff;
    animation: scrollDown4 2s ease infinite;
    margin: 0 auto; //---you can romove this line---
}

@keyframes scrollDown4{
    0%{
        transform-origin: top;
        transform: scaleY(0);
    }
    45%{
        transform-origin: top;
        transform: scaleY(1);
    }
    55%{
        transform-origin: bottom;
        transform: scaleY(1);
    }
    100%{
        transform-origin: bottom;
        transform: scaleY(0);
    }
}


//---------scroll animation-5---------
.scroll-down5{
    width: 2px;
    height: 110px;
    position: relative;
    background: transparent;
    animation: scrollDown5 1.5s ease infinite;
    border-radius: 100%;
    margin: 0 auto; //---you can romove this line---

    &:before{
        content: "";
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(transparent, #00b0ff, transparent);
    }
}

@keyframes scrollDown5{
    0%{
        transform-origin: top;
        transform: scaleY(0);
    }
    45%{
        transform-origin: top;
        transform: scaleY(1);
    }
    55%{
        transform-origin: bottom;
        transform: scaleY(1);
    }
    100%{
        transform-origin: bottom;
        transform: scaleY(0);
    }
}