单个元素实现的 CSS3 Loading 效果

<div class="loader">Loading...</div>

.load1 .loader,

.load1 .loader:before,

.load1 .loader:after {

  background: #FFF;

  -webkit-animation: load1 1s infinite ease-in-out;

  animation: load1 1s infinite ease-in-out;

  width: 1em;

  height: 4em;

}

.load1 .loader:before,

.load1 .loader:after {

  position: absolute;

  top: 0;

  content: '';

}

.load1 .loader:before {

  left: -1.5em;

  -webkit-animation-delay: -0.32s;

  animation-delay: -0.32s;

}

.load1 .loader {

  text-indent: -9999em;

  margin: 8em auto;

  position: relative;

  font-size: 11px;

  -webkit-animation-delay: -0.16s;

  animation-delay: -0.16s;

}

.load1 .loader:after {

  left: 1.5em;

}

@-webkit-keyframes load1 {

  0%,

  80%,

  100% {

    box-shadow: 0 0 #FFF;

    height: 4em;

  }

  40% {

    box-shadow: 0 -2em #ffffff;

    height: 5em;

  }

}

@keyframes load1 {

  0%,

  80%,

  100% {

    box-shadow: 0 0 #FFF;

    height: 4em;

  }

  40% {

    box-shadow: 0 -2em #ffffff;

    height: 5em;

  }

}

<div class="loader">Loading...</div>

.load2 .loader,

.load2 .loader:before,

.load2 .loader:after {

  border-radius: 50%;

}

.load2 .loader:before,

.load2 .loader:after {

  position: absolute;

  content: '';

}

.load2 .loader:before {

  width: 5.2em;

  height: 10.2em;

  background: #0dcecb;

  border-radius: 10.2em 0 0 10.2em;

  top: -0.1em;

  left: -0.1em;

  -webkit-transform-origin: 5.2em 5.1em;

  transform-origin: 5.2em 5.1em;

  -webkit-animation: load2 2s infinite ease 1.5s;

  animation: load2 2s infinite ease 1.5s;

}

.load2 .loader {

  font-size: 11px;

  text-indent: -99999em;

  margin: 5em auto;

  position: relative;

  width: 10em;

  height: 10em;

  box-shadow: inset 0 0 0 1em #FFF;

}

.load2 .loader:after {

  width: 5.2em;

  height: 10.2em;

  background: #0dcecb;

  border-radius: 0 10.2em 10.2em 0;

  top: -0.1em;

  left: 5.1em;

  -webkit-transform-origin: 0px 5.1em;

  transform-origin: 0px 5.1em;

  -webkit-animation: load2 2s infinite ease;

  animation: load2 2s infinite ease;

}

@-webkit-keyframes load2 {

  0% {

    -webkit-transform: rotate(0deg);

    transform: rotate(0deg);

  }

  100% {

    -webkit-transform: rotate(360deg);

    transform: rotate(360deg);

  }

}

@keyframes load2 {

  0% {

    -webkit-transform: rotate(0deg);

    transform: rotate(0deg);

  }

  100% {

    -webkit-transform: rotate(360deg);

    transform: rotate(360deg);

  }

}

<div class="loader">Loading...</div>

.load3 .loader {

  font-size: 10px;

  margin: 5em auto;

  text-indent: -9999em;

  width: 11em;

  height: 11em;

  border-radius: 50%;

  background: #ffffff;

  background: -moz-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);

  background: -webkit-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);

  background: -o-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);

  background: -ms-linear-gradient(left, #ffffff 10%, rgba(255, 255, 255, 0) 42%);

  background: linear-gradient(to right, #ffffff 10%, rgba(255, 255, 255, 0) 42%);

  position: relative;

  -webkit-animation: load3 1.4s infinite linear;

  animation: load3 1.4s infinite linear;

}

.load3 .loader:before {

  width: 50%;

  height: 50%;

  background: #FFF;

  border-radius: 100% 0 0 0;

  position: absolute;

  top: 0;

  left: 0;

  content: '';

}

.load3 .loader:after {

  background: #0dcecb;

  width: 75%;

  height: 75%;

  border-radius: 50%;

  content: '';

  margin: auto;

  position: absolute;

  top: 0;

  left: 0;

  bottom: 0;

  right: 0;

}

@-webkit-keyframes load3 {

  0% {

    -webkit-transform: rotate(0deg);

    transform: rotate(0deg);

  }

  100% {

    -webkit-transform: rotate(360deg);

    transform: rotate(360deg);

  }

}

@keyframes load3 {

  0% {

    -webkit-transform: rotate(0deg);

    transform: rotate(0deg);

  }

  100% {

    -webkit-transform: rotate(360deg);

    transform: rotate(360deg);

  }

}

<div class="loader">Loading...</div>

.load4 .loader {

  font-size: 20px;

  margin: 5em auto;

  width: 1em;

  height: 1em;

  border-radius: 50%;

  position: relative;

  text-indent: -9999em;

  -webkit-animation: load4 1.3s infinite linear;

  animation: load4 1.3s infinite linear;

}

@-webkit-keyframes load4 {

  0%,

  100% {

    box-shadow: 0em -3em 0em 0.2em #ffffff, 2em -2em 0 0em #ffffff, 3em 0em 0 -0.5em #ffffff, 2em 2em 0 -0.5em #ffffff, 0em 3em 0 -0.5em #ffffff, -2em 2em 0 -0.5em #ffffff, -3em 0em 0 -0.5em #ffffff, -2em -2em 0 0em #ffffff;

  }

  12.5% {

    box-shadow: 0em -3em 0em 0em #ffffff, 2em -2em 0 0.2em #ffffff, 3em 0em 0 0em #ffffff, 2em 2em 0 -0.5em #ffffff, 0em 3em 0 -0.5em #ffffff, -2em 2em 0 -0.5em #ffffff, -3em 0em 0 -0.5em #ffffff, -2em -2em 0 -0.5em #ffffff;

  }

  25% {

    box-shadow: 0em -3em 0em -0.5em #ffffff, 2em -2em 0 0em #ffffff, 3em 0em 0 0.2em #ffffff, 2em 2em 0 0em #ffffff, 0em 3em 0 -0.5em #ffffff, -2em 2em 0 -0.5em #ffffff, -3em 0em 0 -0.5em #ffffff, -2em -2em 0 -0.5em #ffffff;

  }

  37.5% {

    box-shadow: 0em -3em 0em -0.5em #ffffff, 2em -2em 0 -0.5em #ffffff, 3em 0em 0 0em #ffffff, 2em 2em 0 0.2em #ffffff, 0em 3em 0 0em #ffffff, -2em 2em 0 -0.5em #ffffff, -3em 0em 0 -0.5em #ffffff, -2em -2em 0 -0.5em #ffffff;

  }

  50% {

    box-shadow: 0em -3em 0em -0.5em #ffffff, 2em -2em 0 -0.5em #ffffff, 3em 0em 0 -0.5em #ffffff, 2em 2em 0 0em #ffffff, 0em 3em 0 0.2em #ffffff, -2em 2em 0 0em #ffffff, -3em 0em 0 -0.5em #ffffff, -2em -2em 0 -0.5em #ffffff;

  }

  62.5% {

    box-shadow: 0em -3em 0em -0.5em #ffffff, 2em -2em 0 -0.5em #ffffff, 3em 0em 0 -0.5em #ffffff, 2em 2em 0 -0.5em #ffffff, 0em 3em 0 0em #ffffff, -2em 2em 0 0.2em #ffffff, -3em 0em 0 0em #ffffff, -2em -2em 0 -0.5em #ffffff;

  }

  75% {

    box-shadow: 0em -3em 0em -0.5em #ffffff, 2em -2em 0 -0.5em #ffffff, 3em 0em 0 -0.5em #ffffff, 2em 2em 0 -0.5em #ffffff, 0em 3em 0 -0.5em #ffffff, -2em 2em 0 0em #ffffff, -3em 0em 0 0.2em #ffffff, -2em -2em 0 0em #ffffff;

  }

  87.5% {

    box-shadow: 0em -3em 0em 0em #ffffff, 2em -2em 0 -0.5em #ffffff, 3em 0em 0 -0.5em #ffffff, 2em 2em 0 -0.5em #ffffff, 0em 3em 0 -0.5em #ffffff, -2em 2em 0 0em #ffffff, -3em 0em 0 0em #ffffff, -2em -2em 0 0.2em #ffffff;

  }

}

@keyframes load4 {

  0%,

  100% {

    box-shadow: 0em -3em 0em 0.2em #ffffff, 2em -2em 0 0em #ffffff, 3em 0em 0 -0.5em #ffffff, 2em 2em 0 -0.5em #ffffff, 0em 3em 0 -0.5em #ffffff, -2em 2em 0 -0.5em #ffffff, -3em 0em 0 -0.5em #ffffff, -2em -2em 0 0em #ffffff;

  }

  12.5% {

    box-shadow: 0em -3em 0em 0em #ffffff, 2em -2em 0 0.2em #ffffff, 3em 0em 0 0em #ffffff, 2em 2em 0 -0.5em #ffffff, 0em 3em 0 -0.5em #ffffff, -2em 2em 0 -0.5em #ffffff, -3em 0em 0 -0.5em #ffffff, -2em -2em 0 -0.5em #ffffff;

  }

  25% {

    box-shadow: 0em -3em 0em -0.5em #ffffff, 2em -2em 0 0em #ffffff, 3em 0em 0 0.2em #ffffff, 2em 2em 0 0em #ffffff, 0em 3em 0 -0.5em #ffffff, -2em 2em 0 -0.5em #ffffff, -3em 0em 0 -0.5em #ffffff, -2em -2em 0 -0.5em #ffffff;

  }

  37.5% {

    box-shadow: 0em -3em 0em -0.5em #ffffff, 2em -2em 0 -0.5em #ffffff, 3em 0em 0 0em #ffffff, 2em 2em 0 0.2em #ffffff, 0em 3em 0 0em #ffffff, -2em 2em 0 -0.5em #ffffff, -3em 0em 0 -0.5em #ffffff, -2em -2em 0 -0.5em #ffffff;

  }

  50% {

    box-shadow: 0em -3em 0em -0.5em #ffffff, 2em -2em 0 -0.5em #ffffff, 3em 0em 0 -0.5em #ffffff, 2em 2em 0 0em #ffffff, 0em 3em 0 0.2em #ffffff, -2em 2em 0 0em #ffffff, -3em 0em 0 -0.5em #ffffff, -2em -2em 0 -0.5em #ffffff;

  }

  62.5% {

    box-shadow: 0em -3em 0em -0.5em #ffffff, 2em -2em 0 -0.5em #ffffff, 3em 0em 0 -0.5em #ffffff, 2em 2em 0 -0.5em #ffffff, 0em 3em 0 0em #ffffff, -2em 2em 0 0.2em #ffffff, -3em 0em 0 0em #ffffff, -2em -2em 0 -0.5em #ffffff;

  }

  75% {

    box-shadow: 0em -3em 0em -0.5em #ffffff, 2em -2em 0 -0.5em #ffffff, 3em 0em 0 -0.5em #ffffff, 2em 2em 0 -0.5em #ffffff, 0em 3em 0 -0.5em #ffffff, -2em 2em 0 0em #ffffff, -3em 0em 0 0.2em #ffffff, -2em -2em 0 0em #ffffff;

  }

  87.5% {

    box-shadow: 0em -3em 0em 0em #ffffff, 2em -2em 0 -0.5em #ffffff, 3em 0em 0 -0.5em #ffffff, 2em 2em 0 -0.5em #ffffff, 0em 3em 0 -0.5em #ffffff, -2em 2em 0 0em #ffffff, -3em 0em 0 0em #ffffff, -2em -2em 0 0.2em #ffffff;

  }

}

<div class="loader">Loading...</div>

.load5 .loader {

  margin: 4em auto;

  font-size: 25px;

  width: 1em;

  height: 1em;

  border-radius: 50%;

  position: relative;

  text-indent: -9999em;

  -webkit-animation: load5 1.1s infinite ease;

  animation: load5 1.1s infinite ease;

}

@-webkit-keyframes load5 {

  0%,

  100% {

    box-shadow: 0em -2.6em 0em 0em #ffffff, 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2), 2.5em 0em 0 0em rgba(255, 255, 255, 0.2), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.2), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2), -2.6em 0em 0 0em rgba(255, 255, 255, 0.5), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.7);

  }

  12.5% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.7), 1.8em -1.8em 0 0em #ffffff, 2.5em 0em 0 0em rgba(255, 255, 255, 0.2), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.2), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2), -2.6em 0em 0 0em rgba(255, 255, 255, 0.2), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.5);

  }

  25% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.5), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.7), 2.5em 0em 0 0em #ffffff, 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.2), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2), -2.6em 0em 0 0em rgba(255, 255, 255, 0.2), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);

  }

  37.5% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.5), 2.5em 0em 0 0em rgba(255, 255, 255, 0.7), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.2), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2), -2.6em 0em 0 0em rgba(255, 255, 255, 0.2), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);

  }

  50% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2), 2.5em 0em 0 0em rgba(255, 255, 255, 0.5), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.7), 0em 2.5em 0 0em #ffffff, -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2), -2.6em 0em 0 0em rgba(255, 255, 255, 0.2), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);

  }

  62.5% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2), 2.5em 0em 0 0em rgba(255, 255, 255, 0.2), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.5), 0em 2.5em 0 0em rgba(255, 255, 255, 0.7), -1.8em 1.8em 0 0em #ffffff, -2.6em 0em 0 0em rgba(255, 255, 255, 0.2), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);

  }

  75% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2), 2.5em 0em 0 0em rgba(255, 255, 255, 0.2), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.5), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.7), -2.6em 0em 0 0em #ffffff, -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);

  }

  87.5% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2), 2.5em 0em 0 0em rgba(255, 255, 255, 0.2), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.2), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.5), -2.6em 0em 0 0em rgba(255, 255, 255, 0.7), -1.8em -1.8em 0 0em #ffffff;

  }

}

@keyframes load5 {

  0%,

  100% {

    box-shadow: 0em -2.6em 0em 0em #ffffff, 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2), 2.5em 0em 0 0em rgba(255, 255, 255, 0.2), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.2), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2), -2.6em 0em 0 0em rgba(255, 255, 255, 0.5), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.7);

  }

  12.5% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.7), 1.8em -1.8em 0 0em #ffffff, 2.5em 0em 0 0em rgba(255, 255, 255, 0.2), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.2), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2), -2.6em 0em 0 0em rgba(255, 255, 255, 0.2), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.5);

  }

  25% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.5), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.7), 2.5em 0em 0 0em #ffffff, 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.2), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2), -2.6em 0em 0 0em rgba(255, 255, 255, 0.2), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);

  }

  37.5% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.5), 2.5em 0em 0 0em rgba(255, 255, 255, 0.7), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.2), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2), -2.6em 0em 0 0em rgba(255, 255, 255, 0.2), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);

  }

  50% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2), 2.5em 0em 0 0em rgba(255, 255, 255, 0.5), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.7), 0em 2.5em 0 0em #ffffff, -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2), -2.6em 0em 0 0em rgba(255, 255, 255, 0.2), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);

  }

  62.5% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2), 2.5em 0em 0 0em rgba(255, 255, 255, 0.2), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.5), 0em 2.5em 0 0em rgba(255, 255, 255, 0.7), -1.8em 1.8em 0 0em #ffffff, -2.6em 0em 0 0em rgba(255, 255, 255, 0.2), -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);

  }

  75% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2), 2.5em 0em 0 0em rgba(255, 255, 255, 0.2), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.5), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.7), -2.6em 0em 0 0em #ffffff, -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);

  }

  87.5% {

    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2), 1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2), 2.5em 0em 0 0em rgba(255, 255, 255, 0.2), 1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2), 0em 2.5em 0 0em rgba(255, 255, 255, 0.2), -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.5), -2.6em 0em 0 0em rgba(255, 255, 255, 0.7), -1.8em -1.8em 0 0em #ffffff;

  }

}

<div class="loader">Loading...</div>

.load6 .loader {

  font-size: 90px;

  text-indent: -9999em;

  overflow: hidden;

  width: 1em;

  height: 1em;

  border-radius: 50%;

  margin: 0.8em auto;

  position: relative;

  -webkit-animation: load6 1.7s infinite ease;

  animation: load6 1.7s infinite ease;

}

@-webkit-keyframes load6 {

  0% {

    -webkit-transform: rotate(0deg);

    transform: rotate(0deg);

    box-shadow: -0.11em -0.83em 0 -0.4em #ffffff, -0.11em -0.83em 0 -0.42em #ffffff, -0.11em -0.83em 0 -0.44em #ffffff, -0.11em -0.83em 0 -0.46em #ffffff, -0.11em -0.83em 0 -0.477em #ffffff;

  }

  5%,

  95% {

    box-shadow: -0.11em -0.83em 0 -0.4em #ffffff, -0.11em -0.83em 0 -0.42em #ffffff, -0.11em -0.83em 0 -0.44em #ffffff, -0.11em -0.83em 0 -0.46em #ffffff, -0.11em -0.83em 0 -0.477em #ffffff;

  }

  30% {

    box-shadow: -0.11em -0.83em 0 -0.4em #ffffff, -0.51em -0.66em 0 -0.42em #ffffff, -0.75em -0.36em 0 -0.44em #ffffff, -0.83em -0.03em 0 -0.46em #ffffff, -0.81em 0.21em 0 -0.477em #ffffff;

  }

  55% {

    box-shadow: -0.11em -0.83em 0 -0.4em #ffffff, -0.29em -0.78em 0 -0.42em #ffffff, -0.43em -0.72em 0 -0.44em #ffffff, -0.52em -0.65em 0 -0.46em #ffffff, -0.57em -0.61em 0 -0.477em #ffffff;

  }

  100% {

    -webkit-transform: rotate(360deg);

    transform: rotate(360deg);

    box-shadow: -0.11em -0.83em 0 -0.4em #ffffff, -0.11em -0.83em 0 -0.42em #ffffff, -0.11em -0.83em 0 -0.44em #ffffff, -0.11em -0.83em 0 -0.46em #ffffff, -0.11em -0.83em 0 -0.477em #ffffff;

  }

}

@keyframes load6 {

  0% {

    -webkit-transform: rotate(0deg);

    transform: rotate(0deg);

    box-shadow: -0.11em -0.83em 0 -0.4em #ffffff, -0.11em -0.83em 0 -0.42em #ffffff, -0.11em -0.83em 0 -0.44em #ffffff, -0.11em -0.83em 0 -0.46em #ffffff, -0.11em -0.83em 0 -0.477em #ffffff;

  }

  5%,

  95% {

    box-shadow: -0.11em -0.83em 0 -0.4em #ffffff, -0.11em -0.83em 0 -0.42em #ffffff, -0.11em -0.83em 0 -0.44em #ffffff, -0.11em -0.83em 0 -0.46em #ffffff, -0.11em -0.83em 0 -0.477em #ffffff;

  }

  30% {

    box-shadow: -0.11em -0.83em 0 -0.4em #ffffff, -0.51em -0.66em 0 -0.42em #ffffff, -0.75em -0.36em 0 -0.44em #ffffff, -0.83em -0.03em 0 -0.46em #ffffff, -0.81em 0.21em 0 -0.477em #ffffff;

  }

  55% {

    box-shadow: -0.11em -0.83em 0 -0.4em #ffffff, -0.29em -0.78em 0 -0.42em #ffffff, -0.43em -0.72em 0 -0.44em #ffffff, -0.52em -0.65em 0 -0.46em #ffffff, -0.57em -0.61em 0 -0.477em #ffffff;

  }

  100% {

    -webkit-transform: rotate(360deg);

    transform: rotate(360deg);

    box-shadow: -0.11em -0.83em 0 -0.4em #ffffff, -0.11em -0.83em 0 -0.42em #ffffff, -0.11em -0.83em 0 -0.44em #ffffff, -0.11em -0.83em 0 -0.46em #ffffff, -0.11em -0.83em 0 -0.477em #ffffff;

  }

}

<div class="loader">Loading...</div>

.load7 .loader:before,

.load7 .loader:after,

.load7 .loader {

  border-radius: 50%;

  width: 2.5em;

  height: 2.5em;

  -webkit-animation-fill-mode: both;

  animation-fill-mode: both;

  -webkit-animation: load7 1.8s infinite ease-in-out;

  animation: load7 1.8s infinite ease-in-out;

}

.load7 .loader {

  margin: 8em auto;

  font-size: 10px;

  position: relative;

  text-indent: -9999em;

  -webkit-animation-delay: -0.16s;

  animation-delay: -0.16s;

}

.load7 .loader:before {

  left: -3.5em;

  -webkit-animation-delay: -0.32s;

  animation-delay: -0.32s;

}

.load7 .loader:after {

  left: 3.5em;

}

.load7 .loader:before,

.loader:after {

  content: '';

  position: absolute;

  top: 0;

}

@-webkit-keyframes load7 {

  0%,

  80%,

  100% {

    box-shadow: 0 2.5em 0 -1.3em #ffffff;

  }

  40% {

    box-shadow: 0 2.5em 0 0 #FFF;

  }

}

@keyframes load7 {

  0%,

  80%,

  100% {

    box-shadow: 0 2.5em 0 -1.3em #ffffff;

  }

  40% {

    box-shadow: 0 2.5em 0 0 #FFF;

  }

}

<div class="loader">Loading...</div>

.load8 .loader {

  margin: 6em auto;

  font-size: 10px;

  position: relative;

  text-indent: -9999em;

  border-top: 1.1em solid rgba(255, 255, 255, 0.2);

  border-right: 1.1em solid rgba(255, 255, 255, 0.2);

  border-bottom: 1.1em solid rgba(255, 255, 255, 0.2);

  border-left: 1.1em solid #ffffff;

  -webkit-animation: load8 1.1s infinite linear;

  animation: load8 1.1s infinite linear;

}

.load8 .loader,

.load8 .loader:after {

  border-radius: 50%;

  width: 10em;

  height: 10em;

}

@-webkit-keyframes load8 {

  0% {

    -webkit-transform: rotate(0deg);

    transform: rotate(0deg);

  }

  100% {

    -webkit-transform: rotate(360deg);

    transform: rotate(360deg);

  }

}

@keyframes load8 {

  0% {

    -webkit-transform: rotate(0deg);

    transform: rotate(0deg);

  }

  100% {

    -webkit-transform: rotate(360deg);

    transform: rotate(360deg);

  }

}