Contact-icon.css

@import url('https://fonts.googleapis.com/css?family=Poppins:400,500,600,700,800,900&displayer=swap');

#contact-icon{
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 50vh;
    font-family: 'Poppins', sans-serif;
}

.container-icon{
    width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.container-icon .box{
    text-align: center;
}

.container-icon .box .icon .fa {
    font-size: 80px;
    cursor: pointer;
}

.container-icon .box .icon h4, .container-icon .box .icon h3 {
    position: relative;
    font-weight: 400;
    margin: 0;
    padding: 2px 5px;font-size: 24px;
    overflow: hidden;
    transition-delay: 0.3333s;
    color: transparent;
}

.container-icon .box .fa:hover ~ h3, .container-icon .box .fa:hover ~ h4 {
    color: #000;
}

.container-icon .box .icon h4 {
    font-weight: 600;
    margin: 5px 0;
    font-style: 30px;
}

.container-icon .box .icon h4::before, .container-icon .box .icon h3::before {
    content: "";
    position: absolute;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100%;
    background: #00bcd4;
    transition: 1s;
}

.container-icon .box .icon h4::before{
    left: initial;
    right: 100%;
    background: #9c27b0;
}

.container-icon .box .fa:hover ~ h3::before {
    left: -100%;
}

.container-icon .box .fa:hover ~ h4::before{
    left: initial;
    right: -100%;
}