Here, I'll post the HTML and CSS for the Neon Text.

<div class="main">

<span class="first-span">Hello!</span>

<span class="second-span">I'm David, </span>

<span class="third-span"> Please look around.</span>

</div>

@import url("https://fonts.googleapis.com/css?family=Roboto:400,400i,700");

@font-face {

font-family: "neontubes";

src: url("https://bitbucket.org/kennethjensen/webfonts/raw/fc13c1cb430a0e9462da56fe3f421ff7af72db71/neontubes/neontubes-webfont.eot");

src: url("https://bitbucket.org/kennethjensen/webfonts/raw/fc13c1cb430a0e9462da56fe3f421ff7af72db71/neontubes/neontubes-webfont.eot?#iefix")

format("embedded-opentype"),

url("https://bitbucket.org/kennethjensen/webfonts/raw/fc13c1cb430a0e9462da56fe3f421ff7af72db71/neontubes/neontubes-webfont.woff2")

format("woff2"),

url("https://bitbucket.org/kennethjensen/webfonts/raw/fc13c1cb430a0e9462da56fe3f421ff7af72db71/neontubes/neontubes-webfont.woff")

format("woff"),

url("https://bitbucket.org/kennethjensen/webfonts/raw/fc13c1cb430a0e9462da56fe3f421ff7af72db71/neontubes/neontubes-webfont.ttf")

format("truetype");

font-weight: normal;

font-style: normal;

}

* {

margin: 0;

padding: 0;

box-sizing: border-box;

}

body {

-webkit-font-smoothing: antialiased;

-moz-osx-font-smoothing: grayscale;

width: 100vw;

height: 100vh;

background: black;

background-repeat: no-repeat;

background-size: cover;

display: flex;

align-items: center;

justify-content: start;

overflow: hidden;

}

nav {

position: absolute;

top: 0;

right: 0;

display: flex;

align-items: center;

justify-content: end;

width: 100%;

height: 80px;

padding: 10px;

}

.nav-div {

width: 70%;

height: 80%;

display: flex;

align-items: center;

backdrop-filter: blur(10px);

color: white;

border-radius: 40px;

box-shadow: 5px 8px 40px black;

border: 1.5px solid white;

}

.nav-div div {

width: 25%;

height: 100%;

border-radius: 40px;

font-size: 1.2rem;

font-family: cursive;

display: flex;

align-items: center;

justify-content: center;

cursor: pointer;

position: relative;

transition: all 0.5s;

}

.div-2::before {

content: "";

position: absolute;

top: 50%;

left: 0;

transform: translateY(-50%);

height: 50%;

border-left: 2px solid white;

}

.div-3::before {

content: "";

position: absolute;

top: 50%;

left: 0;

transform: translateY(-50%);

height: 50%;

border-left: 2px solid white;

}

.div-4::before {

content: "";

position: absolute;

top: 50%;

left: 0;

transform: translateY(-50%);

height: 50%;

border-left: 2px solid white;

}

.nav-div div:hover {

background: whitesmoke;

color: black;

}

.div-1:hover + .div-2::before {

border-left: none;

}

.div-2:hover + .div-3::before {

border-left: none;

}

.div-2:hover::before {

border-left: none;

}

.div-3:hover + .div-4::before {

border-left: none;

}

.div-3:hover::before {

border-left: none;

}

.div-4:hover::before {

border-left: none;

}

.main {

width: 60%;

height: 50%;

margin: 10px;

font-family: "neontubes";

font-size: 6rem;

white-space: nowrap;

}

.main span {

display: block;

position: relative;

transform: translateZ(0) translate3D(0, 0, 0);

backface-visibility: hidden;

will-change: opacity;

}

.main .first-span {

font-size: 6rem;

color: #ffd9e2;

text-shadow: 0 0 0 transparent, 0 0 10px #ff003c,

0 0 20px rgba(255, 0, 60, 0.5), 0 0 40px #ff003c, 0 0 100px #ff003c,

0 0 200px #ff003c, 0 0 300px #ff003c, 0 0 500px #ff003c, 0 0 1000px #ff003c;

animation: blink 4s infinite alternate;

}

.main .second-span {

font-size: 6rem;

color: #d4eaff;

text-shadow: 0 0 0 transparent, 0 0 10px #2695ff,

0 0 20px rgba(38, 149, 255, 0.5), 0 0 40px #2695ff, 0 0 100px #2695ff,

0 0 200px #2695ff, 0 0 300px #2695ff, 0 0 500px #2695ff;

}

.main .third-span {

font-size: 6rem;

color: #d4eaff;

text-shadow: 0 0 0 transparent, 0 0 10px #2695ff,

0 0 20px rgba(38, 149, 255, 0.5), 0 0 40px #2695ff, 0 0 100px #2695ff,

0 0 200px #2695ff, 0 0 300px #2695ff, 0 0 500px #2695ff;

animation: blink 3s infinite alternate;

}

@-webkit-keyframes buzz {

70% {

opacity: 0.8;

}

}

@keyframes buzz {

70% {

opacity: 0.8;

}

}

@-webkit-keyframes blink {

40% {

opacity: 1;

}

42% {

opacity: 0.8;

}

43% {

opacity: 1;

}

45% {

opacity: 0.2;

}

46% {

opacity: 1;

}

}

@keyframes blink {

40% {

opacity: 1;

}

42% {

opacity: 0.8;

}

43% {

opacity: 1;

}

45% {

opacity: 0.2;

}

46% {

opacity: 1;

}

}

@media screen and (max-width: 992px) {

.main .first-span {

font-size: 4rem;

}

.main .second-span {

font-size: 4rem;

}

}

@media screen and (max-width: 600px) {

.nav-div {

width: 100%;

}

.main .first-span {

font-size: 3rem;

}

.main .second-span {

font-size: 3rem;

}

}

CSS below, you can adjust the Neon tube blink rate on the "animation" lines.

HTML below, add or remove lines based by adding or deleting "span" lines.