A Collection of CSS Snippets

README.md

A Collection of CSS Snippets

• Flexbox grid 4
• Vertical Centered Elements
• Eric Meyer's Reset 2.0
• Preloader
• Margin & Padding (SASS)
• Speech Bubble (SASS)

flex-classes.scss

$flexs: (
  0,
  1,
  2,
  3,
  4,
  5
);

@each $flex in $flexs {
  .flex-#{$flex} {
    flex: #{$flex};
    display: flex;
  }
}

/* --------------------------------------------

 FLEX Alignments

-------------------------------------------- */

.flex-columns {
  flex: 1;
  display: flex;
  flex-direction: row;
}

.flex-rows {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.flex-reverse {
  &.flex-columns {
    flex-direction: row-reverse;
  }

  &.flex-rows {
    flex-direction: column-reverse;
  }
}

$wraps: (
  wrap,
  nowrap,
  wrap-reverse
);

@each $wrap in $wraps {
  .flex-#{$wrap} {
    flex-wrap: $wrap;
  }
}

.flex-wrap {
  flex-wrap: wrap;
}

$types: (
  items: align-items,
  flex: justify-content,
  content: align-content
);

@each $key, $value in $types {
  .#{$key}-end {
    #{$value}: flex-end;
  }

  .#{$key}-start {
    #{$value}: flex-start;
  }

  .#{$key}-center {
    #{$value}: flex-center;
  }
}

$spaces: (
  evenly,
  around,
  between
);

@each $space in $spaces {
  .flex-#{$space} {
    justify-content: space-#{$space};
  }
}

.items-stretch {
  align-items: stretch;
}

.items-baseline {
  align-items: baseline;
}

.content-stretch {
  align-content: stretch;
}

.content-around {
  align-content: around;
}

.content-between {
  align-content: between;
}

flex-grid-4.css

/* flex grid 4 items with 12px of margin around item */
.flexgrid-4 {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
}

.flexgrid-4 > * {
  margin: 12px;
  flex: 0 0 auto;
  width: calc(25% - 24px);
}

margins-paddings.scss

$spaces: (
  0,
  3,
  7,
  12,
  20,
  24,
  40,
  60,
  80,
  100,
  120
);

$sides: (
  all,
  topbottom,
  leftright,
  top,
  left,
  right,
  bottom
);

@each $space in $spaces {
  @each $side in $sides {
    @if $side == 'all' {
      .m#{$space} {
        margin: #{$space}px;
      }

      .p#{$space} {
        padding: #{$space}px;
      }
    }

    @else if $side == 'topbottom' {
      .my#{$space} {
        margin: #{$space}px;
      }

      .py#{$space} {
        padding: #{$space}px;
      }
    }

    @else if $side == 'leftright' {
      .mx#{$space} {
        margin: #{$space}px;
      }

      .px#{$space} {
        padding: #{$space}px;
      }
    }

    @else {
      .m#{str-slice($side, 0, 1)}#{$space} {
        margin-#{$side}: #{$space}px;
      }

      .p#{str-slice($side, 0, 1)}#{$space} {
        padding-#{$side}: #{$space}px;
      }
    }
  }
}

preloader.css

.loader {
  height: 4px;
  width: 100%;
  overflow: hidden;
  margin-bottom: 7px;
  position: relative;
  background-color: #DDD;
}

.loader::before {
  content: "";
  height: 4px;
  left: -200px;
  width: 200px;
  display: block;
  position: absolute;
  background-color: #2980B9;
  animation: loading 2s linear infinite;
}

@keyframes loading {
  from {
    width: 30%;
    left: -200px;
  }

  50% {
    width: 30%;
  }

  70% {
    width: 70%;
  }

  80% {
    left: 50%;
  }

  95% {
    left: 120%;
  }

  to {
    left: 100%;
  }
}

reset.css

/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

speech-bubble.scss

// BUBBLE SPEECH
// -----
// @source: https://leaverou.github.io/bubbly/
//
// Usage
// -----
// .speech-bubble-{top,bottom,left,right}
// + optionnal arrow design .speech-{io,oi}
//
$speech-bubble-size: 1rem;
$speech-bubble-color: #FFFFFF;
$speech-bubble-radius: 0.3rem;

.speech-bubble {
  position: relative;
  background: $speech-bubble-color;
  border-radius: $speech-bubble-radius;
}

.speech-bubble::after {
  width: 0;
  height: 0;
  content: '';
  position: absolute;
  border-style: solid;
  border-color: transparent;
  border-width: $speech-bubble-size;
}

$sides: (
  top,
  left,
  right,
  bottom
);

@each $side in $sides {
  .speech-bubble.speech-#{$side}::after {
    @if ($side == 'top') or ($side == 'bottom') {
      left: 50%;
      margin-left: -$speech-bubble-size;

      /* ----- colors ----- */
      @if ($side == 'top') {
        border-bottom-color: $speech-bubble-color;
      }

      @else if ($side == 'bottom') {
        border-top-color: $speech-bubble-color;
      }
    }

    @else if ($side == 'left') or ($side == 'right') {
      top: 50%;
      margin-top: -$speech-bubble-size;

      /* ----- colors ----- */
      @if ($side == 'left') {
        border-right-color: $speech-bubble-color;
      }

      @else if ($side == 'right') {
        border-left-color: $speech-bubble-color;
      }
    }

    #{$side}: 0;
    border-#{$side}: 0;
    margin-#{$side}: -$speech-bubble-size;
  }

  /* ----- arrow options ----- */

  @if ($side == 'top') or ($side == 'bottom') {
    .speech-bubble.speech-#{$side}.speech-io::after {
      border-right: 0;
    }

    .speech-bubble.speech-#{$side}.speech-oi::after {
      border-left: 0;
    }
  }

  @else if ($side == 'left') or ($side == 'right') {
    .speech-bubble.speech-#{$side}.speech-io::after {
      border-bottom: 0;
    }

    .speech-bubble.speech-#{$side}.speech-oi::after {
      border-top: 0;
    }
  }
}

text.css

h1 {
  font-size: 1.786em;
}

h2 {
  font-size: 1.643em;
}

h3 {
  font-size: 1.500em;
}

h4 {
  font-size: 1.357em;
}

h5 {
  font-size: 1.214em;
}

h6 {
  font-size: 1.071em;
}

vertical-centered.css

/* vertical centered image with flex */
.vertical-centered-image {
  height: 100px;
  width: 100%;
  display: flex;
  overflow: hidden;
  align-items: center;
  flex-direction: row;
  justify-content: center;
}

.vertical-centered-image img {
  width: 100%;
  height: auto;
}