programming-blog/_scss/_utilities.scss

//
// Utilities
// --------------------------------------------------
//
// Credit: Bootstrap 3

// Floats
// -------------------------

.u-clearfix {
  @include clearfix();
}
.u-alignRight {
  float: right !important;
}
.u-alignLeft {
  float: left !important;
}

.u-alignCenter {
  text-align: center !important;
}

// Table display
// -------------------------

.u-table {
  display: table !important;

  &:before {
    height: auto !important;
    display: inherit !important;
  }
}

.u-tableCell {
  display: table-cell !important;
}

.u-verticalAlignTop {
  vertical-align: top !important;
}

.u-verticalAlignMiddle {
  vertical-align: middle !important;
}

.u-verticalAlignBottom {
  vertical-align: bottom !important;
}

// Toggling content
// -------------------------

// Note: Deprecated .hide in favor of .hidden or .sr-only (as appropriate) in v3.0.1
.hide {
  display: none !important;
}
.show {
  display: block !important;
}
.invisible {
  visibility: hidden;
}

// Hide from screenreaders and browsers
//
// Credit: HTML5 Boilerplate

.hidden {
  display: none !important;
  visibility: hidden !important;
}

.is-blurred {
  -webkit-filter: blur(10px);
  -moz-filter: blur(10px);
  -o-filter: blur(10px);
  filter: blur(10px);
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
}

.u-overflow-y-hidden {
  overflow-y: hidden;
}

.u-scrollbar-hidden {
  padding-right: 15px;
}

.u-clearHr {
  clear: both;
  visibility: hidden;
}