7 loading animations created in CSS

Introduction

Nowadays it is common that the interface, in this case a website, takes care of all the logic asking the server for data without reloading the page. For those waiting times that are visible, here are 7 animations made 100% in CSS. Say goodbye to boring "Loading..." text. By using keyframes (as we saw in this article), we can animate elements very easily.

Pulse

@keyframes loading {
  0%, 100% {
    margin-top: 25px;
    height: 10px;
  }

  50%{
    margin-top: 0px;
    height: 50px;
  }
}

ul {
  display: inline-flex;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 5px;
}

li {
  background-color: var(--color-primary);
  width: 10px;
  height: 10px;
  animation: loading 1s ease-in-out infinite;
}

li:nth-child(1) {
  animation-delay: 0s;
}

li:nth-child(2) {
  animation-delay: -0.2s;
}

li:nth-child(3) {
  animation-delay: -0.4s;
}

li:nth-child(4) {
  animation-delay: -0.6s;
}

li:nth-child(5) {
  animation-delay: -0.8s;
}
`,n.style.width="100%",n.style.height=`${h}px`,u.appendChild(n),n.addEventListener("load",t=>{if(t.target&&"contentWindow"in t.target){const e=t.target.contentWindow.document.body.scrollHeight;n.style.height=`${Math.min(h,e)}px`}})});

Double spin

@keyframes loading {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

div {
  border: 6px solid var(--color-background);
  border-radius: 100%;
  border-top-color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  width: 50px;
  height: 50px;
  animation: loading 1.5s infinite linear;
}

Flip

@keyframes loading {
  0% {
    transform: perspective(120px) rotateX(0deg) rotateY(0deg);
  }

  50% {
    transform: perspective(120px) rotateX(180deg) rotateY(0deg);
  }

  100% {
    transform: perspective(120px) rotateX(180deg) rotateY(-180deg);
  }
}

div {
  background-color: var(--color-primary);
  width: 50px;
  height: 50px;
  animation: loading 2s infinite ease-in-out;
}

Sound

@keyframes loading {
  0% {
    opacity: 0.35;
    height: 8px;
  }

  100% {
    opacity: 1;
    height: 50px;
  }
}

ul {
  display: inline-flex;
  align-items: flex-end;
  margin: 0;
  padding: 0;
  height: 50px;
  list-style: none;
  gap: 2px;
}

li {
  background: var(--color-primary);
  width: 5px;
  height: 8px;
  animation: loading 0ms -800ms linear infinite alternate;
}

li:nth-child(1) {
  animation-duration: 405ms;
}

li:nth-child(2) {
  animation-duration: 477ms;
}

li:nth-child(3) {
  animation-duration: 456ms;
}

li:nth-child(4) {
  animation-duration: 402ms;
}

li:nth-child(5) {
  animation-duration: 472ms;
}

li:nth-child(6) {
  animation-duration: 452ms;
}

li:nth-child(7) {
  animation-duration: 415ms;
}

li:nth-child(8) {
  animation-duration: 456ms;
}

li:nth-child(9) {
  animation-duration: 497ms;
}

li:nth-child(10) {
  animation-duration: 440ms;
}

Portal

@keyframes loading {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

div {
  border: 6px dotted var(--color-primary);
  border-radius: 100%;
  width: 50px;
  height: 50px;
  animation: loading 2s infinite linear;
}

Bar

@keyframes loading {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}

.wrapper {
  border: 3px solid var(--color-opposite);
  padding: 4px;
  width: 160px;
  height: 16px;
}

.space {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.loading {
  position: absolute;
  background-color: var(--color-primary);
  width: 100%;
  height: 100%;
  animation: loading 5s steps(40) infinite;
}

Vortex

@keyframes loading {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

ul {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

li {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 5px solid var(--color-background);
  border-radius: 100%;
}

li:nth-child(1) {
  margin: -30px 0 0 -30px;
  border-top-color: var(--color-primary);
  width: 60px;
  height: 60px;
  animation: loading 3s infinite linear;
}

li:nth-child(2) {
  margin: -20px 0 0 -20px;
  border-top-color: var(--color-primary);
  width: 40px;
  height: 40px;
  animation: loading 2s infinite linear;
}

li:nth-child(3) {
  margin: -10px 0 0 -10px;
  border-top-color: var(--color-primary);
  width: 20px;
  height: 20px;
  animation: loading 1s infinite linear;
}

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