index.css

/* Add your font via Google Font */
@import url("https://fonts.googleapis.com/css2?family=Rubik:wght@400;500;600;700&display=swap");
@import url(https://fonts.googleapis.com/css?family=Montserrat:400|Montserrat:500|Montserrat:700);

/* CSS Reset. You don't need to understand these.
 * They're only here to make CSS consistent across all browsers. */
@import url("https://necolas.github.io/normalize.css/8.0.1/normalize.css");

/* Define your color scheme here, taken from Fullyhacks color scheme. */
:root {
  --body_bg: #fffaf1;
  --sky_100: #abe1ff;
  --sky_300: #18aaff;
  --blue_300: #385ddf;
  --purple_300: #9ea8ff;
  --purple_hover: #3b3561;
  --purple_500: #4f38df;
  --pink_700: #b438df;
  --pink_400: #ff8f8f;
  --pink_300: #df389c;
  --pink_100: #ffabce;
  --orange_300: #ffc985;
  --orange_100: #ffedcc;
  --purple_main: #340b67;
  --purple_main_hover: #b49fcc;
  --black: #041a2f;
  --white: #ffffff;
  --primary: #ff69ad;
  --dark_purple: #461667;
  --dark_blue: #2399BE;
}

body {
  background: linear-gradient(to right, var(--dark_purple), var(--dark_blue));
  margin: 0;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}


html {
  font-family: "Rubik";
}

.anta-regular {
  font-family: "Anta", sans-serif;
  font-weight: 400;
  font-style: normal;
}


.about {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-left: 12rem;
  color: white;
  font-family: "Rubik";
  font-size: 1.2rem;
  width: 75%;
  line-height: 2;
}

.neonchat {
  border-radius: 10px;
}

.Caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-left: -2rem;
  color: white;
  font-family: "Rubik";
  font-size: 1.2rem;
  width: 75%;
  line-height: 2;
}

.container {
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.img-cont {
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: row;
  padding-left: 2%;
  padding-right: 2%;
}

.nav {
  background: linear-gradient(to right, var(--dark_purple), var(--dark_blue));
  padding: 2rem;
  width: 100%;
  display: flex;
  list-style: none;
  justify-content: space-around;
  font-size: 1.5rem;
}

.navlink { 
    text-decoration: none;
    color: black;
    list-style: none;
}

.title {
  color: white;
  margin-top: 2rem;
  font-size: 2rem;
  font-family: "Anta";
  font-style: normal;
  font-weight: 700;
}

.pictureCaption {
  margin-top: 1rem;
}

.wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.demo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-left: 8rem;
  color: white;
  font-family: "Rubik";
  font-size: 1.2rem;
  width: 75%;
  line-height: 2;
}

.button {
  position: relative;
  border: 0;
  transition: 0.5s;
  z-index: 1;
  min-width: 15rem;
  padding: 1rem 2rem;
  font-size: 0.875rem;
  line-height: 1;
  font-family: "Rubik";
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  text-transform: uppercase;
  background: var(--black);
  color: var(--white);

  &:before,
  &:after {
    content: "";
    position: absolute;
    z-index: -1;
  }

  &.--glow {
    &:hover {
      background: var(--primary);
      box-shadow: 0 0 5px var(--primary), 
0 0 25px var(--primary);
    }
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 var(--black);
  }
  50% {
    box-shadow: 0 0 10px var(--black);
  }
  100% {
    box-shadow: 0 0 0 var(--black);
  }
}