blt/assets/styles/mixins-and-variables/animations.less

.animation-delay(@delay) {
  -moz-animation-delay: @delay;
  -webkit-animation-delay: @delay;
  -ms-animation-delay: @delay;
  -o-animation-delay: @delay;
  animation-delay: @delay;
}

.animation-name(@name) {
  -moz-animation-name: @name;
  -webkit-animation-name: @name;
  -ms-animation-name: @name;
  -o-animation-name: @name;
  animation-name: @name;
}

.animation-duration(@duration) {
  -moz-animation-duration: @duration;
  -webkit-animation-duration: @duration;
  -ms-animation-duration: @duration;
  -o-animation-duration: @duration;
  animation-duration: @duration;
}

.animation-iteration-count(@iteration-count) {
  -moz-animation-iteration-count: @iteration-count;
  -webkit-animation-iteration-count: @iteration-count;
  -ms-animation-iteration-count: @iteration-count;
  -o-animation-iteration-count: @iteration-count;
  animation-iteration-count: @iteration-count;
}

.animation-direction(@direction) {
  -moz-animation-direction: @direction;
  -webkit-animation-direction: @direction;
  -ms-animation-direction: @direction;
  -o-animation-direction: @direction;
  animation-direction: @direction;
}

.animation-timing-function(@timingFunction) {
  -moz-animation-timing-function: @timingFunction;
  -webkit-animation-timing-function: @timingFunction;
  -ms-animation-timing-function: @timingFunction;
   -o-animation-timing-function: @timingFunction;
  animation-timing-function: @timingFunction;
}

.transition (@transition) {
  -webkit-transition: @transition;
  -moz-transition   : @transition;
  -ms-transition    : @transition;
  -o-transition     : @transition;
}

.translate (@x, @y:0) {
  -webkit-transform: translate(@x, @y);
  -moz-transform   : translate(@x, @y);
  -ms-transform    : translate(@x, @y);
  -o-transform     : translate(@x, @y);
  transform        : translate(@x, @y);
}

//Animations
.fade-in() {
  .animation-name(fade-in);

  @-webkit-keyframes fade-in {
    0%    {opacity: 0;}// lesshint spaceBeforeBrace: false
    100%  {opacity: 1;}// lesshint spaceBeforeBrace: false
  }

  @-moz-keyframes fade-in {
    0%    {opacity: 0;}// lesshint spaceBeforeBrace: false
    100%  {opacity: 1;}// lesshint spaceBeforeBrace: false
  }

  @-o-keyframes fade-in {
    0%    {opacity: 0;}// lesshint spaceBeforeBrace: false
    100%  {opacity: 1;}// lesshint spaceBeforeBrace: false
  }

  @keyframes fade-in {
    0%    {opacity: 0;}// lesshint spaceBeforeBrace: false
    100%  {opacity: 1;}// lesshint spaceBeforeBrace: false
  }
}

.loader(@dot-color: @accent-white) {
  display: inline-block;
  margin: auto;

  .loading-dot {
    border-radius: 50%;
    background-color: @dot-color;
    float: left;
    opacity: 0;
    width: 16px;
    height: 16px;
    margin: 5px;
    .fade-in();
    .animation-duration(1s);
    .animation-iteration-count(infinite);
    .animation-direction(linear);

    &.dot1 {
      .animation-delay(0.25s);
    }

    &.dot2 {
      .animation-delay(0.5s);
    }

    &.dot3 {
      .animation-delay(0.75s);
    }

    &.dot4 {
      .animation-delay(1s);
    }
  }
}

// Special rotation animation for a font awesome-based spinner:
.fa-spinner-rotation() {
  -webkit-animation: fa-spinner-rotate 1.5s infinite linear;
  animation: fa-spinner-rotate 1.5s infinite linear;

  @-webkit-keyframes fa-spinner-rotate {
    0% {
      -webkit-transform: rotate(0deg);
    }
    100% {
      -webkit-transform: rotate(360deg);
    }
  }

  @keyframes rotate-clockwise {
    0% {
      -ms-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    100% {
      -ms-transform: rotate(360deg);
      transform: rotate(360deg);
    }
  }
}

.skid() {
  .animation-name(skid);
  .animation-duration(2.5s);
  .animation-iteration-count(infinite);
  .animation-timing-function(linear);
  @-webkit-keyframes skid {
    0%   {-webkit-transform: translate(0px, 0px);}// lesshint spaceBeforeBrace: false
    10%  {-webkit-transform: translate(-1px, -1px);}// lesshint spaceBeforeBrace: false
    20%  {-webkit-transform: translate(-2px, -2px);}// lesshint spaceBeforeBrace: false
    30%  {-webkit-transform: translate(-3px, -2px);}// lesshint spaceBeforeBrace: false
    40%  {-webkit-transform: translate(-4px, -1px);}// lesshint spaceBeforeBrace: false
    50%  {-webkit-transform: translate(-5px, 0px);}// lesshint spaceBeforeBrace: false
    60%  {-webkit-transform: translate(-4px, 1px);}// lesshint spaceBeforeBrace: false
    70%  {-webkit-transform: translate(-3px, 2px);}// lesshint spaceBeforeBrace: false
    80%  {-webkit-transform: translate(-2px, 2px);}// lesshint spaceBeforeBrace: false
    90%  {-webkit-transform: translate(-1px, 1px);}// lesshint spaceBeforeBrace: false
    100% {-webkit-transform: translate(0, 0px);}// lesshint spaceBeforeBrace: false
  }
  @-moz-keyframes skid {
    0%   {-moz-transform: translate(0px, 0px);}// lesshint spaceBeforeBrace: false
    10%  {-moz-transform: translate(-1px, -1px);}// lesshint spaceBeforeBrace: false
    20%  {-moz-transform: translate(-2px, -2px);}// lesshint spaceBeforeBrace: false
    30%  {-moz-transform: translate(-3px, -2px);}// lesshint spaceBeforeBrace: false
    40%  {-moz-transform: translate(-4px, -1px);}// lesshint spaceBeforeBrace: false
    50%  {-moz-transform: translate(-5px, 0px);}// lesshint spaceBeforeBrace: false
    60%  {-moz-transform: translate(-4px, 1px);}// lesshint spaceBeforeBrace: false
    70%  {-moz-transform: translate(-3px, 2px);}// lesshint spaceBeforeBrace: false
    80%  {-moz-transform: translate(-2px, 2px);}// lesshint spaceBeforeBrace: false
    90%  {-moz-transform: translate(-1px, 1px);}// lesshint spaceBeforeBrace: false
    100% {-moz-transform: translate(0, 0px);}// lesshint spaceBeforeBrace: false
  }
  @-o-keyframes skid {
    0%   {-o-transform: translate(0px, 0px);}// lesshint spaceBeforeBrace: false
    10%  {-o-transform: translate(-1px, -1px);}// lesshint spaceBeforeBrace: false
    20%  {-o-transform: translate(-2px, -2px);}// lesshint spaceBeforeBrace: false
    30%  {-o-transform: translate(-3px, -2px);}// lesshint spaceBeforeBrace: false
    40%  {-o-transform: translate(-4px, -1px);}// lesshint spaceBeforeBrace: false
    50%  {-o-transform: translate(-5px, 0px);}// lesshint spaceBeforeBrace: false
    60%  {-o-transform: translate(-4px, 1px);}// lesshint spaceBeforeBrace: false
    70%  {-o-transform: translate(-3px, 2px);}// lesshint spaceBeforeBrace: false
    80%  {-o-transform: translate(-2px, 2px);}// lesshint spaceBeforeBrace: false
    90%  {-o-transform: translate(-1px, 1px);}// lesshint spaceBeforeBrace: false
    100% {-o-transform: translate(0, 0px);}// lesshint spaceBeforeBrace: false
  }
  @keyframes skid {
    0%   {transform: translate(0px, 0px);}// lesshint spaceBeforeBrace: false
    10%  {transform: translate(-1px, -1px);}// lesshint spaceBeforeBrace: false
    20%  {transform: translate(-2px, -2px);}// lesshint spaceBeforeBrace: false
    30%  {transform: translate(-3px, -2px);}// lesshint spaceBeforeBrace: false
    40%  {transform: translate(-4px, -1px);}// lesshint spaceBeforeBrace: false
    50%  {transform: translate(-5px, 0px);}// lesshint spaceBeforeBrace: false
    60%  {transform: translate(-4px, 1px);}// lesshint spaceBeforeBrace: false
    70%  {transform: translate(-3px, 2px);}// lesshint spaceBeforeBrace: false
    80%  {transform: translate(-2px, 2px);}// lesshint spaceBeforeBrace: false
    90%  {transform: translate(-1px, 1px);}// lesshint spaceBeforeBrace: false
    100% {transform: translate(0, 0px);}// lesshint spaceBeforeBrace: false
  }
 }

 .fly-fade() {
  .animation-name(flyfade);
  .animation-duration(7s);
  .animation-iteration-count(infinite);
  .animation-timing-function(linear);
  @-webkit-keyframes flyfade {
    0%   {-webkit-transform: translate(0px, 0px); opacity: 0;}// lesshint spaceBeforeBrace: false
    25%  { opacity: 1;}// lesshint spaceBeforeBrace: false
    50%  {-webkit-transform: translate(110px, 0px);}// lesshint spaceBeforeBrace: false
    75%  { opacity: 1;}// lesshint spaceBeforeBrace: false
    100% {-webkit-transform: translate(220px, 0); opacity: 0;}// lesshint spaceBeforeBrace: false
  }
  @-moz-keyframes flyfade {
    0%   {-moz-transform: translate(0, 0px); opacity: 0;}// lesshint spaceBeforeBrace: false
    25%  { opacity: 1;}// lesshint spaceBeforeBrace: false
    50%  {-moz-transform: translate(110px, 0px); opacity: 1;}// lesshint spaceBeforeBrace: false
    75%  { opacity: 1;}// lesshint spaceBeforeBrace: false
    100% {-moz-transform: translate(220px, 0); opacity: 0;}// lesshint spaceBeforeBrace: false
  }
  @-o-keyframes flyfade {
    0%   {-o-transform: translate(0, 0px); opacity: 0;}// lesshint spaceBeforeBrace: false
    25%  { opacity: 1;}// lesshint spaceBeforeBrace: false
    50%  {-o-transform: translate(110px, 0px); opacity: 1;}// lesshint spaceBeforeBrace: false
    75%  { opacity: 1;}// lesshint spaceBeforeBrace: false
    100% {-o-transform: translate(220px, 0); opacity: 0;}// lesshint spaceBeforeBrace: false
  }
  @keyframes flyfade {
    0%   {transform: translate(0, 0px); opacity: 0;}// lesshint spaceBeforeBrace: false
    25%  { opacity: 1;}// lesshint spaceBeforeBrace: false
    50%  {transform: translate(110px, 0px); opacity: 1;}// lesshint spaceBeforeBrace: false
    75%  { opacity: 1;}// lesshint spaceBeforeBrace: false
    100% {transform: translate(220px, 0); opacity: 0;}// lesshint spaceBeforeBrace: false
  }
 }

.bob() {
  .animation-name(bob);
  .animation-duration(3.2s);
  .animation-iteration-count(infinite);
  .animation-timing-function(ease-in-out);
  @-webkit-keyframes bob {
    0%   {-webkit-transform: translate(0px);}// lesshint spaceBeforeBrace: false
    50%  {-webkit-transform: translatey(-7px);}// lesshint spaceBeforeBrace: false
    100% {-webkit-transform: translatey(0px);}// lesshint spaceBeforeBrace: false
  }
  @-moz-keyframes bob {
    0%   {-moz-transform: translatey(0px);}// lesshint spaceBeforeBrace: false
    50%  {-moz-transform: translatey(-7px);}// lesshint spaceBeforeBrace: false
    100% {-moz-transform: translatey(0px);}// lesshint spaceBeforeBrace: false
  }
  @-o-keyframes bob {
    0%   {-o-transform: translatey(0px);}// lesshint spaceBeforeBrace: false
    50%  {-o-transform: translatey(-7px);}// lesshint spaceBeforeBrace: false
    100% {-o-transform: translatey(0px);}// lesshint spaceBeforeBrace: false
  }
  @keyframes bob {
    0%   {transform: translatey(0px);}// lesshint spaceBeforeBrace: false
    50%  {transform: translatey(-7px);}// lesshint spaceBeforeBrace: false
    100% {transform: translatey(0px);}// lesshint spaceBeforeBrace: false
  }
 }