SCSS
html,
body {
height: 100%;
width: 100%;
overflow: hidden;
}
body {
display: flex;
align-items: center;
justify-content: center;
background: #fff;
}
h1 {
font-size: 30vw;
font-family: sans-serif;
position: relative;
color: black;
margin: 0;
padding: 0;
overflow: hidden;
&:before {
content: '';
display: block;
position: absolute;
-webkit-filter: blur(20px);
filter: blur(20px);
top: 0;
left: 0;
width: 100%;
height: 100%;
mix-blend-mode: screen;
background-image: repeating-linear-gradient(-45deg, transparent, transparent 1em, #00c07f 1em, #e0474c 50%),
repeating-linear-gradient(45deg, #21A8A3, #111626 1em, #E5446D 1em, #571B3D 50%), ;
background-size: 3em 3em, 2em 2em;
animation-name: bg;
animation-duration: 8s;
animation-timing-function: linear;
animation-iteration-count: infinite;
animation-direction: alternate;
}
}
@keyframes bg {
from { background-position: 0 0; }
to { background-position: 400% 0; }
}