```html
Animação: Crescimento da Variável
.container
width
200px
.container
height
200px
.container
background-color
rgba(255, 255, 255, 0.1)
.container
border-radius
100%
.circle
width
100px
.circle
height
100px
.circle
background-color
#776B6F
.circle
animation
animation
grow 2s infinite linear
```.