@-moz-keyframes loading {
  0%, 100% {
    -moz-transform: scale(1) rotateZ(0deg);
    transform: scale(1) rotateZ(0deg);
    opacity: 1;
  }

  26% {
    -moz-transform: scale(1.1) rotateZ(12deg);
    transform: scale(1.1) rotateZ(12deg);
    opacity: .2;
  }

  76% {
    -moz-transform: scale(0.8) rotateZ(-8deg);
    transform: scale(0.8) rotateZ(-8deg);
    opacity: .6;
  }
}
@-webkit-keyframes loading {
  0%, 100% {
    -webkit-transform: scale(1) rotateZ(0deg);
    transform: scale(1) rotateZ(0deg);
    opacity: 1;
  }

  26% {
    -webkit-transform: scale(1.1) rotateZ(12deg);
    transform: scale(1.1) rotateZ(12deg);
    opacity: .2;
  }

  76% {
    -webkit-transform: scale(0.8) rotateZ(-8deg);
    transform: scale(0.8) rotateZ(-8deg);
    opacity: .6;
  }
}
@keyframes loading {
  0%, 100% {
    -moz-transform: scale(1) rotateZ(0deg);
    -ms-transform: scale(1) rotateZ(0deg);
    -webkit-transform: scale(1) rotateZ(0deg);
    transform: scale(1) rotateZ(0deg);
    opacity: 1;
  }

  26% {
    -moz-transform: scale(1.1) rotateZ(12deg);
    -ms-transform: scale(1.1) rotateZ(12deg);
    -webkit-transform: scale(1.1) rotateZ(12deg);
    transform: scale(1.1) rotateZ(12deg);
    opacity: .2;
  }

  76% {
    -moz-transform: scale(0.8) rotateZ(-8deg);
    -ms-transform: scale(0.8) rotateZ(-8deg);
    -webkit-transform: scale(0.8) rotateZ(-8deg);
    transform: scale(0.8) rotateZ(-8deg);
    opacity: .6;
  }
}
.loader {
  font-weight: bolder;
  overflow: hidden;
  color: red;
  font-weight: bolder;
  font-size: 26px;
}
.loader span {
  -moz-animation: loading 1s linear infinite -0.8s;
  -webkit-animation: loading 1s linear infinite -0.8s;
  animation: loading 1s linear infinite -0.8s;
  float: left;
}
.loader .span2 {
  -moz-animation: loading 1s linear infinite -0.2s;
  -webkit-animation: loading 1s linear infinite -0.2s;
  animation: loading 1s linear infinite -0.2s;
}
.loader .span3 {
  -moz-animation: loading 1s linear infinite -0.5s;
  -webkit-animation: loading 1s linear infinite -0.5s;
  animation: loading 1s linear infinite -0.5s;
}
.loader .span4 {
  -moz-animation: loading 1s linear infinite -1.1s;
  -webkit-animation: loading 1s linear infinite -1.1s;
  animation: loading 1s linear infinite -1.1s;
}