* {
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  font-family: arial;
}

body {
  padding: 0;
  margin: 0;
  text-align: center;
  font-family: arial;
}

section {
  height: 250px;
  float: left;
  width: 50%;
  position: relative;
}

.spinner {
  width: 50px;
  height: 50px;
  border-radius: 100%;
  margin: auto;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
}

.model-1 {
  background: #202020;
}
.model-1 .spinner {
  color: #f00;
  -webkit-animation: color-bubble 2s linear 0s infinite;
  animation: color-bubble 2s linear 0s infinite;
}
.model-1 .spinner:after, .model-1 .spinner:before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  border-radius: 100%;
  box-shadow: 0 0 0 3px;
  -webkit-animation: spinner-bubble 1.3s linear 0s infinite;
  animation: spinner-bubble 1.3s linear 0s infinite;
  margin: auto;
  width: 10px;
  height: 10px;
  opacity: 0;
}
.model-1 .spinner:before {
  -webkit-animation: spinner-bubble 1.3s linear 2s infinite;
  animation: spinner-bubble 1.3s linear 2s infinite;
}

.model-2 {
  background: #4B346F;
}
.model-2 .spinner {
  border: 1px solid;
  -webkit-animation: rotate 1.3s linear 0s infinite, color-bubble 3s linear 0s infinite;
  animation: rotate 1.3s linear 0s infinite, color-bubble 3s linear 0s infinite;
}
.model-2 .spinner:after {
  content: '';
  position: absolute;
  width: 15px;
  height: 15px;
  background: #fff;
  border-radius: 100%;
  -webkit-animation: color-change 3s linear 0s infinite;
  animation: color-change 3s linear 0s infinite;
  left: -5px;
  top: 18px;
}

.model-3 {
  background: #BF1B21;
}
.model-3 .spinner {
  background: #fff;
  height: 40px;
  border-radius: 0;
  -webkit-animation: rotateRct 1.2s ease-in-out infinite, color-change 1.3s ease-in-out infinite;
  animation: rotateRct 1.2s ease-in-out infinite, color-change 1.3s ease-in-out infinite;
}

.model-4 {
  background: #FFA500;
}
.model-4 .spinner {
  border: 5px solid rgba(255, 255, 255, 0.5);
  border-bottom-color: #f00;
  -webkit-animation: rotate 2s linear 0s infinite;
  animation: rotate 2s linear 0s infinite;
}

.model-5 {
  background: #034BB5;
}
.model-5 .spinner {
  border: 5px solid transparent;
  border-bottom-color: #19A5DF;
  border-top-color: #19A5DF;
  -webkit-animation: rotate 1.5s linear 0s infinite;
  animation: rotate 1.5s linear 0s infinite;
}

.model-6 {
  background: #009200;
}
.model-6 .spinner {
  border: 2px solid #19A5DF;
  border-radius: 0;
  -webkit-animation: rotate 3s infinite;
  animation: rotate 3s infinite;
}
.model-6 .spinner:after, .model-6 .spinner:before {
  content: '';
  position: absolute;
  left: 5px;
  top: 5px;
  width: 32px;
  height: 32px;
  border: 2px solid #FEB825;
  -webkit-animation: rotate 3s infinite reverse;
  animation: rotate 3s infinite reverse;
}
.model-6 .spinner:before {
  border-color: #fff;
  left: 10px;
  top: 10px;
  width: 22px;
  height: 22px;
  -webkit-animation: rotate 2s infinite;
  animation: rotate 2s infinite;
}

.model-7 {
  background: #FF451C;
}
.model-7 .spinner {
  -webkit-animation: rotate 1.3s linear 0s infinite, size 5s linear 0s infinite alternate;
  animation: rotate 1.3s linear 0s infinite, size 5s linear 0s infinite alternate;
}
.model-7 .spinner:after, .model-7 .spinner:before {
  content: '';
  position: absolute;
  width: 15px;
  height: 15px;
  background: #fff;
  border-radius: 100%;
  left: 0px;
  top: 0px;
  bottom: 0;
  margin: auto;
}
.model-7 .spinner:before {
  left: auto;
  right: 0;
}

.model-8 {
  background: #C90463;
}
.model-8 .spinner {
  width: 100px;
  height: 20px;
  border-radius: 0;
}
.model-8 .spinner:before {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  left: 0;
  border-radius: 100%;
  -webkit-animation: shadowSize 2s ease-in infinite;
  animation: shadowSize 2s ease-in infinite;
  color: #fff;
}

.model-9 {
  background: #12846D;
}
.model-9 .spinner:after, .model-9 .spinner:before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  width: 30px;
  height: 30px;
  border: 5px solid transparent;
  border-bottom: 5px solid #fff;
  border-radius: 100%;
  -webkit-animation: rotate 1s linear infinite;
  animation: rotate 1s linear infinite;
}
.model-9 .spinner:before {
  width: 40px;
  height: 40px;
  -webkit-animation-direction: reverse;
  animation-direction: reverse;
}

.model-10 {
  background: #3D6AA2;
}
.model-10 .spinner {
  background: #fff;
  overflow: hidden;
  -webkit-animation: color-change 3s linear 0s infinite, shadow 1.3s linear 0s infinite, color-bubble 5s linear 0s infinite alternate, rotate 5s linear 0s infinite;
  animation: color-change 3s linear 0s infinite, shadow 1.3s linear 0s infinite, color-bubble 5s linear 0s infinite alternate, rotate 5s linear 0s infinite;
}
@-webkit-keyframes spinner-bubble {
  from {
    width: 10px;
    height: 10px;
    opacity: .8;
  }
  to {
    width: 50px;
    height: 50px;
    opacity: 0;
  }
}
@keyframes spinner-bubble {
  from {
    width: 10px;
    height: 10px;
    opacity: .8;
  }
  to {
    width: 50px;
    height: 50px;
    opacity: 0;
  }
}
@-webkit-keyframes color-bubble {
  0% {
    color: #009DDC;
  }
  33% {
    color: #50B949;
  }
  66% {
    color: #EE2D24;
  }
  100% {
    color: #FEB825;
  }
}
@keyframes color-bubble {
  0% {
    color: #009DDC;
  }
  33% {
    color: #50B949;
  }
  66% {
    color: #EE2D24;
  }
  100% {
    color: #FEB825;
  }
}
@-webkit-keyframes color-change {
  0% {
    background: #009DDC;
  }
  33% {
    background: #50B949;
  }
  66% {
    background: #EE2D24;
  }
  100% {
    background: #FEB825;
  }
}
@keyframes color-change {
  0% {
    background: #009DDC;
  }
  33% {
    background: #50B949;
  }
  66% {
    background: #EE2D24;
  }
  100% {
    background: #FEB825;
  }
}
@-webkit-keyframes rotate {
  from {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@keyframes rotate {
  from {
    -ms-transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  to {
    -ms-transform: rotate(360deg);
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@-webkit-keyframes rotateRct {
  0% {
    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    transform: perspective(120px) rotateX(0deg) rotateY(0deg);
  }
  50% {
    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
  }
  100% {
    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
  }
}
@keyframes rotateRct {
  0% {
    -ms-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    transform: perspective(120px) rotateX(0deg) rotateY(0deg);
  }
  50% {
    -ms-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
  }
  100% {
    -ms-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
  }
}
@-webkit-keyframes size {
  from {
    width: 70px;
    height: 70px;
  }
  to {
    width: 30px;
    height: 30px;
  }
}
@keyframes size {
  from {
    width: 70px;
    height: 70px;
  }
  to {
    width: 30px;
    height: 30px;
  }
}
@-webkit-keyframes shadow {
  from {
    box-shadow: 0px 0 0 1px inset;
  }
  to {
    box-shadow: 50px 0 0 1px inset;
  }
}
@keyframes shadow {
  from {
    box-shadow: 0px 0 0 1px inset;
  }
  to {
    box-shadow: 50px 0 0 1px inset;
  }
}
@-webkit-keyframes shadowSize {
  0% {
    box-shadow: 15px 0 0 0, 30px 0 0 0, 45px 0 0 0, 60px 0 0 0, 75px 0 0 0;
  }
  20% {
    box-shadow: 15px 0 0 5px, 30px 0 0 0, 45px 0 0 0, 60px 0 0 0, 75px 0 0 0;
  }
  40% {
    box-shadow: 15px 0 0 0, 30px 0 0 5px, 45px 0 0 0, 60px 0 0 0, 75px 0 0 0;
  }
  60% {
    box-shadow: 15px 0 0 0, 30px 0 0 0, 45px 0 0 5px, 60px 0 0 0, 75px 0 0 0;
  }
  80% {
    box-shadow: 15px 0 0 0, 30px 0 0 0, 45px 0 0 0, 60px 0 0 5px, 75px 0 0 0;
  }
  100% {
    box-shadow: 15px 0 0 0, 30px 0 0 0, 45px 0 0 0, 60px 0 0 0, 75px 0 0 5px;
  }
}
@keyframes shadowSize {
  0% {
    box-shadow: 15px 0 0 0, 30px 0 0 0, 45px 0 0 0, 60px 0 0 0, 75px 0 0 0;
  }
  20% {
    box-shadow: 15px 0 0 5px, 30px 0 0 0, 45px 0 0 0, 60px 0 0 0, 75px 0 0 0;
  }
  40% {
    box-shadow: 15px 0 0 0, 30px 0 0 5px, 45px 0 0 0, 60px 0 0 0, 75px 0 0 0;
  }
  60% {
    box-shadow: 15px 0 0 0, 30px 0 0 0, 45px 0 0 5px, 60px 0 0 0, 75px 0 0 0;
  }
  80% {
    box-shadow: 15px 0 0 0, 30px 0 0 0, 45px 0 0 0, 60px 0 0 5px, 75px 0 0 0;
  }
  100% {
    box-shadow: 15px 0 0 0, 30px 0 0 0, 45px 0 0 0, 60px 0 0 0, 75px 0 0 5px;
  }
}