Let’s take a look at the effect first:
CSS part: ( see more )
<style>
body {
display: grid;
grid-template-rows: 1fr 10rem auto;
grid-template-areas: "main" "." "footer";
overflow-x: hidden;
background: #F5F7FA;
min-height: 100vh;
font-family: "Open Sans", sans-serif;
}
body .footer {
z-index: 1;
--footer-background:#ED5565;
display: grid;
position: relative;
grid-area: footer;
min-height: 12rem;
}
body .footer .bubbles {
position: absolute;
top: 0;
left: 0;
right: 0;
height: 1rem;
background: var(--footer-background);
filter: url("#blob");
}
body .footer .bubbles .bubble {
position: absolute;
left: var(--position, 50%);
background: var(--footer-background);
border-radius: 100%;
-webkit-animation: bubble-size var(--time, 4s) ease-in infinite var(--delay, 0s), bubble-move var(--time, 4s) ease-in infinite var(--delay, 0s);
animation: bubble-size var(--time, 4s) ease-in infinite var(--delay, 0s), bubble-move var(--time, 4s) ease-in infinite var(--delay, 0s);
transform: translate(-50%, 100%);
}
body .footer .content {
z-index: 2;
display: grid;
grid-template-columns: 1fr auto;
grid-gap: 4rem;
padding: 2rem;
background: var(--footer-background);
}
body .footer .content a, body .footer .content p {
color: #F5F7FA;
text-decoration: none;
}
body .footer .content b {
color: white;
}
body .footer .content p {
margin: 0;
font-size: 0.75rem;
}
body .footer .content > div {
display: flex;
flex-direction: column;
justify-content: center;
}
body .footer .content > div > div {
margin: 0.25rem 0;
}
body .footer .content > div > div > * {
margin-right: 0.5rem;
}
body .footer .content > div .image {
align-self: center;
width: 4rem;
height: 4rem;
margin: 0.25rem 0;
background-size: cover;
background-position: center;
}
@-webkit-keyframes bubble-size {
0%, 75% {
width: var(--size, 4rem);
height: var(--size, 4rem);
}
100% {
width: 0rem;
height: 0rem;
}
}
@keyframes bubble-size {
0%, 75% {
width: var(--size, 4rem);
height: var(--size, 4rem);
}
100% {
width: 0rem;
height: 0rem;
}
}
@-webkit-keyframes bubble-move {
0% {
bottom: -4rem;
}
100% {
bottom: var(--distance, 10rem);
}
}
@keyframes bubble-move {
0% {
bottom: -4rem;
}
100% {
bottom: var(--distance, 10rem);
}
}
</style>