2.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family:'Times New Roman', Times, serif;
}
.main_body{    
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: grey;
}
.wrapper{
    display: inline-flex;
}
.wrapper .static_txt{
    font-size: 40px;
    color: white;
    font-weight: 400;
}
.wrapper .dynamic_txts{
    margin-left: 15px;
    height: 60px;
    line-height: 60px;
    overflow: hidden;

}
.dynamic_txts li{
    list-style: none;
    font-size: 40px;
    font-weight: 500;
    color: #FC6D6D;
    position: relative;
    top :0;
    animation: slide 6s steps(4) infinite;     /* Steps(a)    , a = max word length of dynamic words*/
}
@keyframes slide{
    100%{
        top: -245px;
    }
}

.dynamic_txts li span{
    position: relative;
}
.dynamic_txts li span::after{
    content: "";
    position: absolute;
    height: 100%;
    left: 0;
    width: 100%;
    border-left: 2px solid #FC6D6D;
    animation: typing 1.5s steps(10) infinite;     /* Steps(a)    , a = max word length of dynamic words*/
    background: grey;
}
@keyframes typing{
    100%{
        left: 100%;
        margin: 0 -35px 0 35px;
    }
}