style.css

body {
font-family: Comic Sans MS;
background-color: cyan;
background-image: url("https://png.pngtree.com/thumb_back/fh260/background/20210127/pngtree-blue-black-abstract-technology-circuit-background-image_541440.jpg");
background-position: center;
background-size: 1700px;
background-repeat: no-repeat repeat;
text-align: center;
}

.h1center {
padding: auto;
margin: auto;
text-align: center;
color: white;
animation: glitch 5s 5s infinite;
}

glitch::before {
  content: attr(data-text);
  position: absolute;
  left: -2px;
  text-shadow: -5px 0 magenta;
  background: black;
  overflow: hidden;
  top: 0;
  animation: noise-1 3s linear infinite alternate-reverse, glitch 5s 5.05s infinite;
}

.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 2px;
  text-shadow: -5px 0 lightgreen;
  background: black;
  overflow: hidden;
  top: 0;
  animation: noise-2 3s linear infinite alternate-reverse, glitch 5s 5s infinite;
}

@keyframes glitch { 
  1%{
    transform: rotateX(10deg) skewX(90deg);
  }
  2%{
    transform: rotateX(0deg) skewX(0deg);
  }
}

.button {
 font-size: 15px;
 font-family: Comic Sans MS;
 font-weight: bold;
 background-color: black;
 color: gray;
 margin: 100px;
 padding: 25px 50px;
}

.button:hover {
  cursor: pointer;
  background-image: url("https://img.freepik.com/premium-vector/abstract-technology-blue-circuit-board-pattern-background_501557-609.jpg");
  border-color: white;
  color: white;
  transition: 0.5s;
}


.button:active {
  box-shadow: 0 5px black;
  transform: translateY(4px);
  transition: 1s;
}

.h1center {
  text-align: center;
}

#container {
  text-align: center;
}

.img1 {
  position: absolute;
}

.center {
  text-align: center;
}

a, h2 {
  color: white;
  font-size: 20px;
}

.a-color:hover {
  color: cyan;
  transition: 1s;
}

h3 {
  color: white;
  font-size: 20px;
}

.pa {
  color: white;
  animation: glitch 5s 5s infinite;
}

.border {
  border: 3px solid cyan;
  height: 300px;
}