Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.9)
// Compass (v1.0.1)
// Zen Grids (v1.4)
// ----

@import "compass";
@import "zen";
@import "compass/css3";
@import "compass/css3/border-radius";
@import "compass/support";
$legacy-support-for-ie7: true;
@mixin box-sizing($bs: border-box) {
    box-sizing: border-box; 
    *behavior: url(/boxsizing.htc);
}
$box-sizing-polyfill-path: "/boxsizing.htc";

@function use-prefix($prefix, $capability, $threshold, $capability-options: $default-capability-options) {
  $usage: prefix-usage($prefix, $capability, $capability-options);
  @if $usage > $threshold {
    @return $usage;
  }
  @else {
    @each $browser in browsers($prefix) {
      @if index($supported-browsers, $browser) {
        $min-version: map-get($browser-minimum-versions, $browser);
        @if $min-version {
          $actual-prefix: browser-requires-prefix($browser, $min-version, $capability, $capability-options);
          @if $actual-prefix and $prefix == $actual-prefix {
            @return $browser $min-version;
          }
        }
      }
    }
  }
  @return false;
}
@function prefixes-for-capability($capability, $threshold, $capability-options: $default-capability-options) {
  $result: ();
  @each $prefix in browser-prefixes($supported-browsers) {
    $result: map-merge($result, ($prefix: use-prefix($prefix, $capability, $threshold, $capability-options)));
  }
  @return $result;
}

@mixin with-each-prefix($capability, $threshold, $capability-options: $default-capability-options) {
  @each $prefix, $should-use-prefix in prefixes-for-capability($capability, $threshold, $capability-options) {
    @if $should-use-prefix {
      @if $debug-browser-support and type-of($should-use-prefix) == list {
        /* Capability #{$capability} is prefixed with #{$prefix} because #{$should-use-prefix} is required. */
      }
      @else if $debug-browser-support and type-of($should-use-prefix) == number {
        /* Capability #{$capability} is prefixed with #{$prefix} because #{$should-use-prefix}% of users need it which is more than the threshold of #{$threshold}%. */
      }
      @include with-prefix($prefix) {
        @include with-browser-ranges($capability) {
          @content;
        }
      }
    }
    @else if $debug-browser-support {
      /* Capability #{$capability} is not prefixed with #{$prefix} because #{prefix-usage($prefix, $capability, $capability-options)}% of users are affected which is less than the threshold of #{$threshold}. */
    }
  }
  @include with-prefix(null) {
    @include with-browser-ranges($capability) {
      @content;
    }
  }
}

@mixin clearfix {
  overflow: hidden;
  @include has-layout;
}
@mixin stretch($offset-top: 0, $offset-right: 0, $offset-bottom: 0, $offset-left: 0) {
  position: absolute;
  @if $offset-top {
    top: $offset-top;
  }
  @if $offset-bottom {
    bottom: $offset-bottom;
  }
  @if $offset-left {
    left: $offset-left;
  }
  @if $offset-right {
    right: $offset-right;
  }
}
@mixin border-radius($radius: $default-border-radius, $vertical-radius: false) {
  @include with-each-prefix(border-radius, $border-radius-threshold) {
    @if $current-prefix == -webkit {
      // Legacy Webkit didn't understand the official shorthand syntax for specifying a vertical radius.
      $legacy-webkit-radius: first-value-of($radius);
      @if $vertical-radius {
        $legacy-webkit-radius: append($legacy-webkit-radius, first-value-of($vertical-radius));
      }
      @include prefix-prop(border-radius, $legacy-webkit-radius);
    }
    @else {
      // Official syntax for everyone else
      @include prefix-prop(border-radius, if($vertical-radius, #{$radius} / #{$vertical-radius}, $radius));
    }
  }
}
.pane-views-exp-work-grid-block .views-reset-button input {
    background: white;
    border:3px solid #aeaeae;
    height: 20px;
    width: 20px;
    @include border-radius(20px, 20px);
}

SassMeister-output.css

.pane-views-exp-work-grid-block .views-reset-button input {
  background: white;
  border: 3px solid #aeaeae;
  height: 20px;
  width: 20px;
  -moz-border-radius: 20px / 20px;
  -webkit-border-radius: 20px 20px;
  border-radius: 20px / 20px;
}