Utilities that I use in several projects

utilities.scss

/* Alerts */
.flash {
  max-width: 100%;
  margin: 0 auto;
  padding: 15px 20px;
  text-align: center;

  &.success {
    color: #333;
    background-color: $brand-success;
  }

  &.error {
    color: #333;
    background-color: $brand-danger;
  }
}

/* Display and Alignment */
.d-none, .hidden {
  display: none;
}

.d-block {
  display: block;
}

.d-inline-block, .dib {
  display: inline-block;

  vertical-align: top;
}

.o-hidden {
  overflow: hidden;
}

.o-auto {
  overflow: auto;
}

/* Alignment */
.middle {
  vertical-align: middle;
}

.centered {
  display: block;

  margin: 0 auto;
}

.a-left {
  text-align: left;
}

.a-center {
  text-align: center;
}

.a-right {
  text-align: right;
}


/* Width and Sizing */
.w-quarter {
  width: 25%;
}

.w-half {
  width: 50%;
}

.w-full {
  width: 100%;
}

/* Positioning */
.p-fixed {
  position: fixed;
}

.p-absolute {
  position: absolute;
}

.p-relative {
  position: relative;
}

.f-none {
  float: none;
}

.f-left {
  float: left;
}

.f-right {
  float: right;
}

/* Margins */
.mt-5 {
  margin-top: 5px;
}
.mt-10, .mt {
  margin-top: 10px;
}
.mt-15 {
  margin-top: 15px;
}
.mt-30 {
  margin-top: 30px;
}

.mb-5 {
  margin-bottom: 5px;
}
.mb-10 {
  margin-bottom: 10px;
}
.mb-15, .mb {
  margin-bottom: 15px;
}
.mb-30 {
  margin-bottom: 30px;
}

.ml-15, .ml {
  margin-left: 15px;
}
.ml-30 {
  margin-left: 30px;
}

.mr-15, .mr {
  margin-right: 15px;
}
.mr-30 {
  margin-right: 30px;
}

/* Font sizing */
.f-small {
  font-size: 1.1rem;
}

.f-large {
  font-size: 1.8rem;
}

/* Misc */
.outline {
  border: 2px solid #fff;
}

.i-transparent {
  border: 0;
  background-color: transparent;
}

.clickable {
  cursor: pointer;
}

.origin-position {
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
}