CSS3 Radial Progress Bar

css3-radial-progress-bar.markdown

CSS3 Radial Progress Bar

Built with SASS and background stripped images

A Pen by Geedmo on CodePen.

License.

index.html

<div class="wrap">
  
<div class="progress-radial progress-25">
  <div class="overlay">25%</div>
</div>

<div class="progress-radial progress-50">
  <div class="overlay">50%</div>
</div>

<div class="progress-radial progress-75">
  <div class="overlay">75%</div>
</div>

<div class="progress-radial progress-90">
  <div class="overlay">90%</div>
</div>
  
</div>

script.js

/*  
  @title: CSS3 Background Radial Progress Bars
  @author: @geedmo 
  @url: http://geedmo.com
*/

style.sass

@import compass

// Colors
$barColor: tomato
$overlayColor: #fffde8
$backColor: #2f3439

@import url(https://fonts.googleapis.com/css?family=Noto+Sans)

body
  padding: 30px 0
  background-color: $backColor
  font-family: 'Noto Sans', sans-serif

.wrap
  width: 600px
  margin: 0 auto

/* -------------------------------------
 * Bar container
 * ------------------------------------- */
.progress-radial
  float: left
  margin-right: 30px
  position: relative
  width: 100px
  height: 100px
  border-radius: 50%
  border: 2px solid $backColor // remove gradient color
  background-color: $barColor // default 100%

/* -------------------------------------
 * Optional centered circle w/text
 * ------------------------------------- */  
.progress-radial .overlay
  position: absolute
  width: 60px
  height: 60px
  background-color: $overlayColor
  border-radius: 50%
  margin-left: 20px
  margin-top: 20px
  text-align: center
  line-height: 60px
  font-size: 16px
  
/* -------------------------------------
 * Mixin for progress-% class
 * ------------------------------------- */

$step: 5 // step of % for created classes

$loops: round(100 / $step)
$increment: 360 / $loops
$half: round($loops / 2)
@for $i from 0 through $loops
  .progress-#{$i*$step}
    @if $i < $half
      $nextdeg: 90deg + ( $increment * $i )
      background-image: linear-gradient(90deg, $backColor 50%, transparent 50%, transparent), linear-gradient($nextdeg, $barColor 50%, $backColor 50%, $backColor)
    @else
      $nextdeg: -90deg + ( $increment * ( $i - $half ) )
      background-image: linear-gradient($nextdeg, $barColor 50%, transparent 50%, transparent), linear-gradient(270deg, $barColor 50%, $backColor 50%, $backColor)