How to rotate box shadow around a text? - html

Question

I'm studying HTML/CSS and I found a very interesting example of rotating box shadows. I thought I'd try to use it, but I can't get my head around rotating the shadows around my text.
The example I found has a like <div class="rotate-shadows"></div> and CSS like this:
body {
margin: 0;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}
.rotate-shadows {
width: 220px;
height: 220px;
position: relative;
}
.rotate-shadows:after,
.rotate-shadows:before {
content: "";
border-radius: 50%;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
transform-origin: center center;
}
.rotate-shadows:before {
box-shadow: inset 0 20px 0 rgba(0, 250, 250, 0.6), inset 20px 0 0 rgba(0, 200, 200, 0.6), inset 0 -20px 0 rgba(0, 150, 200, 0.6), inset -20px 0 0 rgba(0, 200, 250, 0.6);
animation: rotate-before 2s -0.5s linear infinite;
}
.rotate-shadows:after {
box-shadow: inset 0 20px 0 rgba(250, 250, 0, 0.6), inset 20px 0 0 rgba(250, 200, 0, 0.6), inset 0 -20px 0 rgba(250, 150, 0, 0.6), inset -20px 0 0 rgba(250, 100, 0, 0.6);
animation: rotate-after 2s -0.5s linear infinite;
}
#keyframes rotate-after {
0% {transform: rotateZ(0deg) scaleX(1) scaleY(1);}
50% {transform: rotateZ(180deg) scaleX(0.82) scaleY(0.95);}
100% {transform: rotateZ(360deg) scaleX(1) scaleY(1);}
}
#keyframes rotate-before {
0% {transform: rotateZ(0deg) scaleX(1) scaleY(1);}
50% {transform: rotateZ(-180deg) scaleX(0.95) scaleY(0.85);}
100% {transform: rotateZ(-360deg) scaleX(1) scaleY(1);}
}
<div class="rotate-shadows"></div>
I figured out that I don't need body {}, figured out where I can change the color of the shadows, scale, etc. But I can't get which part is responsible for the shape of the shadows.
Can I make the shadows go around my text like an animated frame:
Классная шляпная шляпа с широкими полями всего за два куська. Да-да!
Это не опечатка! Всего два динозаврических укуса и шляпа ваша!
Where do I need to put my text to have shadows rotating around it?
And how can I change the shape of shadows?
I just want to understand.

Answer 1

If I understood your requirement correctly is this what you need?
I added an extra div inside to wrap the text if that is not an issue? this div acts based on the parent's position. making it in the middle.
body {
margin: 0;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
position: relative;
}
.rotate-shadows {
width: 220px;
height: 220px;
position: relative;
}
#text {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
justify-content: center;
align-items: center;
}
.rotate-shadows:after,
.rotate-shadows:before {
content: "";
border-radius: 50%;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
transform-origin: center center;
}
.rotate-shadows:before {
box-shadow: inset 0 20px 0 rgba(0, 250, 250, 0.6), inset 20px 0 0 rgba(0, 200, 200, 0.6), inset 0 -20px 0 rgba(0, 150, 200, 0.6), inset -20px 0 0 rgba(0, 200, 250, 0.6);
animation: rotate-before 2s -0.5s linear infinite;
}
.rotate-shadows:after {
box-shadow: inset 0 20px 0 rgba(250, 250, 0, 0.6), inset 20px 0 0 rgba(250, 200, 0, 0.6), inset 0 -20px 0 rgba(250, 150, 0, 0.6), inset -20px 0 0 rgba(250, 100, 0, 0.6);
animation: rotate-after 2s -0.5s linear infinite;
}
#keyframes rotate-after {
0% {
transform: rotateZ(0deg) scaleX(1) scaleY(1);
}
50% {
transform: rotateZ(180deg) scaleX(0.82) scaleY(0.95);
}
100% {
transform: rotateZ(360deg) scaleX(1) scaleY(1);
}
}
#keyframes rotate-before {
0% {
transform: rotateZ(0deg) scaleX(1) scaleY(1);
}
50% {
transform: rotateZ(-180deg) scaleX(0.95) scaleY(0.85);
}
100% {
transform: rotateZ(-360deg) scaleX(1) scaleY(1);
}
}
<div class="rotate-shadows">
<div id="text">
Once upon a time in Stackoverflow!!
</div>
</div>
If you need the content in the single Div then:
body {
height: 100vh;
}
.rotate-shadows {
width: 220px;
height: 220px;
position: absolute;
transform: translate(-50%, -50%);
justify-content: center;
align-items: center;
display: flex;
text-align: center;
vertical-align: middle;
top: 50%;
left: 50%;
}
.rotate-shadows:after,
.rotate-shadows:before {
content: "";
border-radius: 50%;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
transform-origin: center center;
}
.rotate-shadows:before {
box-shadow: inset 0 20px 0 rgba(0, 250, 250, 0.6), inset 20px 0 0 rgba(0, 200, 200, 0.6), inset 0 -20px 0 rgba(0, 150, 200, 0.6), inset -20px 0 0 rgba(0, 200, 250, 0.6);
animation: rotate-before 2s -0.5s linear infinite;
}
.rotate-shadows:after {
box-shadow: inset 0 20px 0 rgba(250, 250, 0, 0.6), inset 20px 0 0 rgba(250, 200, 0, 0.6), inset 0 -20px 0 rgba(250, 150, 0, 0.6), inset -20px 0 0 rgba(250, 100, 0, 0.6);
animation: rotate-after 2s -0.5s linear infinite;
}
#keyframes rotate-after {
0% {
transform: rotateZ(0deg) scaleX(1) scaleY(1);
}
50% {
transform: rotateZ(180deg) scaleX(0.82) scaleY(0.95);
}
100% {
transform: rotateZ(360deg) scaleX(1) scaleY(1);
}
}
#keyframes rotate-before {
0% {
transform: rotateZ(0deg) scaleX(1) scaleY(1);
}
50% {
transform: rotateZ(-180deg) scaleX(0.95) scaleY(0.85);
}
100% {
transform: rotateZ(-360deg) scaleX(1) scaleY(1);
}
}
<div class="rotate-shadows"> Once upon a time in Stackoverflow!!
</div>