JavaScript preprocessors can help make authoring JavaScript easier and more convenient. For instance, CoffeeScript can help prevent easy-to-make mistakes and offer a cleaner syntax and Babel can bring ECMAScript 6 features to browsers that only support ECMAScript 5.
Any URL's added here will be added as <script>
s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.
You can apply a script from anywhere on the web to your Pen. Just put a URL to it here and we'll add it, in the order you have them, before the JavaScript in the Pen itself.
If the script you link to has the file extension of a preprocessor, we'll attempt to process it before applying.
You can also link to another Pen here, and we'll pull the JavaScript from that Pen and include it. If it's using a matching preprocessor, we'll combine the code before preprocessing, so you can use the linked Pen as a true dependency.
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.button__wrap
button.button(style=`--hue: ${Math.random() * 360}`) Show me attention
.button__shadow
body
min-height 100vh
display flex
align-items center
justify-content center
.button
--y -25
--x 0
--rotation 0
--speed 2
--txt "Show me attention"
--padding 1rem 1.25rem
cursor pointer
padding var(--padding)
color transparent
font-weight bold
font-size 1.25rem
transition background .1s ease
background 'hsl(%s, 100%, 50%)' % (var(--hue))
outline-color 'hsl(%s, 100%, 80%)' % (var(--hue))
animation-name flow-and-shake
animation-duration calc(var(--speed) * 1s)
animation-iteration-count infinite
animation-timing-function ease-in-out
&:after
content var(--txt)
position absolute
top 0
right 0
bottom 0
left 0
padding var(--padding)
color #fff
&:hover
background 'hsl(%s, 100%, 40%)' % (var(--hue))
--speed .1
--rotation -1
--y -1
--x 1
--txt "Click me!"
&:active
--speed 4
--x 0
--y 5
--rotation 0
--txt "Ahhhh..."
background 'hsl(%s, 100%, 30%)' % (var(--hue))
&__wrap
position relative
&__shadow
position absolute
border-radius 100%
bottom 0
left 0
right 0
height 4px
background hsl(0, 10%, 65%)
animation shadow 2s infinite ease-in-out
z-index -1
@keyframes shadow
0%, 100%
transform scaleX(1)
opacity 1
50%
opacity .2
transform scaleX(.25)
@keyframes flow-and-shake
0%, 100%
transform translate(calc(var(--x) * -1%), 0) rotate(calc(var(--rotation) * -1deg))
50%
transform translate(calc(var(--x) * 1%), calc(var(--y) * 1%)) rotate(calc(var(--rotation) * 1deg))
Also see: Tab Triggers