纯css loading加载动画

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html

css

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html

css

@import url("https://fonts.googleapis.com/css?family=Roboto:100,300,400&display=swap");
* {
  box-sizing: border-box;
}
*::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  min-height: 100vh;
  background: #aafcee;
  overflow: hidden;
}

#container {
  position: relative;
  -webkit-transform: scale(0.725);
          transform: scale(0.725);
}

.divider {
  position: absolute;
  z-index: 2;
  top: 65px;
  left: 200px;
  width: 50px;
  height: 15px;
}
 
.loading-text {
  position: relative;
  font-size: 3.75rem;
  font-weight: 300;
  white-space: nowrap;
}
.loading-text::before {
  position: absolute;
  content: "";
  z-index: 1;
  top: 40px;
  left: 115px;
  width: 6px;
  height: 6px;
  background: #000;
  border-radius: 50%;
  -webkit-animation: dotMove 1800ms cubic-bezier(0.25, 0.25, 0.75, 0.75) infinite;
          animation: dotMove 1800ms cubic-bezier(0.25, 0.25, 0.75, 0.75) infinite;
}
.loading-text .letter {
  display: inline-block;
  position: relative;
  color: #000;
  letter-spacing: 8px;
}
.loading-text .letter:nth-child(1) {
  -webkit-transform-origin: 100% 70%;
          transform-origin: 100% 70%;
  -webkit-transform: scale(1, 1.275);
          transform: scale(1, 1.275);
}
.loading-text .letter:nth-child(1)::before {
  position: absolute;
  content: "";
  top: 22px;
  left: 0;
  width: 14px;
  height: 36px;
  -webkit-transform-origin: 100% 0;
          transform-origin: 100% 0;
  -webkit-animation: lineStretch 1800ms cubic-bezier(0.25, 0.25, 0.75, 0.75) infinite;
          animation: lineStretch 1800ms cubic-bezier(0.25, 0.25, 0.75, 0.75) infinite;
}
.loading-text .letter:nth-child(5) {
  -webkit-transform-origin: 100% 70%;
          transform-origin: 100% 70%;
  -webkit-animation: letterStretch 1800ms cubic-bezier(0.25, 0.23, 0.73, 0.75) infinite;
          animation: letterStretch 1800ms cubic-bezier(0.25, 0.23, 0.73, 0.75) infinite;
}
.loading-text .letter:nth-child(5)::before {
  position: absolute;
  content: "";
  top: 15px;
  left: 2px;
  width: 9px;
  height: 15px; 
}

@-webkit-keyframes dotMove {
  0%, 100% {
    -webkit-transform: rotate(180deg) translate(-110px, -10px) rotate(-180deg);
            transform: rotate(180deg) translate(-110px, -10px) rotate(-180deg);
  }
  50% {
    -webkit-transform: rotate(0deg) translate(-111px, 10px) rotate(0deg);
            transform: rotate(0deg) translate(-111px, 10px) rotate(0deg);
  }
}

@keyframes dotMove {
  0%, 100% {
    -webkit-transform: rotate(180deg) translate(-110px, -10px) rotate(-180deg);
            transform: rotate(180deg) translate(-110px, -10px) rotate(-180deg);
  }
  50% {
    -webkit-transform: rotate(0deg) translate(-111px, 10px) rotate(0deg);
            transform: rotate(0deg) translate(-111px, 10px) rotate(0deg);
  }
}
@-webkit-keyframes letterStretch {
  0%, 100% {
    -webkit-transform: scale(1, 0.35);
            transform: scale(1, 0.35);
    -webkit-transform-origin: 100% 75%;
            transform-origin: 100% 75%;
  }
  8%, 28% {
    -webkit-transform: scale(1, 2.125);
            transform: scale(1, 2.125);
    -webkit-transform-origin: 100% 67%;
            transform-origin: 100% 67%;
  }
  37% {
    -webkit-transform: scale(1, 0.875);
            transform: scale(1, 0.875);
    -webkit-transform-origin: 100% 75%;
            transform-origin: 100% 75%;
  }
  46% {
    -webkit-transform: scale(1, 1.03);
            transform: scale(1, 1.03);
    -webkit-transform-origin: 100% 75%;
            transform-origin: 100% 75%;
  }
  50%, 97% {
    -webkit-transform: scale(1);
            transform: scale(1);
    -webkit-transform-origin: 100% 75%;
            transform-origin: 100% 75%;
  }
}
@keyframes letterStretch {
  0%, 100% {
    -webkit-transform: scale(1, 0.35);
            transform: scale(1, 0.35);
    -webkit-transform-origin: 100% 75%;
            transform-origin: 100% 75%;
  }
  8%, 28% {
    -webkit-transform: scale(1, 2.125);
            transform: scale(1, 2.125);
    -webkit-transform-origin: 100% 67%;
            transform-origin: 100% 67%;
  }
  37% {
    -webkit-transform: scale(1, 0.875);
            transform: scale(1, 0.875);
    -webkit-transform-origin: 100% 75%;
            transform-origin: 100% 75%;
  }
  46% {
    -webkit-transform: scale(1, 1.03);
            transform: scale(1, 1.03);
    -webkit-transform-origin: 100% 75%;
            transform-origin: 100% 75%;
  }
  50%, 97% {
    -webkit-transform: scale(1);
            transform: scale(1);
    -webkit-transform-origin: 100% 75%;
            transform-origin: 100% 75%;
  }
}
@-webkit-keyframes lineStretch {
  0%, 45%, 70%, 100% {
    -webkit-transform: scaleY(0.125);
            transform: scaleY(0.125);
  }
  49% {
    -webkit-transform: scaleY(0.75);
            transform: scaleY(0.75);
  }
  50% {
    -webkit-transform: scaleY(0.875);
            transform: scaleY(0.875);
  }
  53% {
    -webkit-transform: scaleY(0.5);
            transform: scaleY(0.5);
  }
  60% {
    -webkit-transform: scaleY(0);
            transform: scaleY(0);
  }
  68% {
    -webkit-transform: scaleY(0.18);
            transform: scaleY(0.18);
  }
}
@keyframes lineStretch {
  0%, 45%, 70%, 100% {
    -webkit-transform: scaleY(0.125);
            transform: scaleY(0.125);
  }
  49% {
    -webkit-transform: scaleY(0.75);
            transform: scaleY(0.75);
  }
  50% {
    -webkit-transform: scaleY(0.875);
            transform: scaleY(0.875);
  }
  53% {
    -webkit-transform: scaleY(0.5);
            transform: scaleY(0.5);
  }
  60% {
    -webkit-transform: scaleY(0);
            transform: scaleY(0);
  }
  68% {
    -webkit-transform: scaleY(0.18);
            transform: scaleY(0.18);
  }
}
@media (min-width: 48rem) {
  #container {
    -webkit-transform: scale(0.725rem);
            transform: scale(0.725rem);
  }
}
@media (min-width: 62rem) {
  #container {
    -webkit-transform: scale(0.85);
            transform: scale(0.85);
  }
}

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