*{
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.outer_headings{
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

h1{
    font-size: 45px;
}

.inner_headings{
    border: 1px solid #ddd;
    height: 50px;
    line-height: 50px;
    text-transform: uppercase;
    overflow: hidden;
    font-size: 45px;
}

.inner_headings span{
    position: relative;
    color: blueviolet;
    animation: ani 10s ease infinite;
}

@keyframes ani{
    0% ,100%{
        top: 0;
    }

    10%{
        top: 0;
    }

    25%{
        top: -50px;
    }

    40%{
        top: -50px;
    }

    45%{
        top: -100px;
    }

    60%{
        top: -100px;
    }
    65%{
        top: -150px;
    }

    70%{
        top: -150px;
    }

    75%{
        top: -200px;
    }

    80%{
        top: 200px;
    }

    90%{
        top: -250px;
    }
    95%{
        top: -250px;
    }
}