Tạo hiệu ứng pháo hoa cho website bằng CSS3 Animation

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Hôm nay chúng ta cùng tạo ra một hiệu ứng pháo hoa đơn giản cho website chỉ sử dụng CSS3 Animation. Cùng xem cách thực hiện như thế nào nhé

Hiệu ứng pháo hoa

Cùng xem hiệu ứng pháo hoa dưới đây

Xem thêm Hiệu ứng pháo hoa đẹp mắt bằng javascript. 

Hướng dẫn thực hiện hiệu ứng

Bước 1: Thêm HTML sau
Mẹo:Bấm nút để copy code

<div class="pyro">
    <div class="before"></div>
    <div class="after"></div>
</div>

Xem thêm: Hiệu ứng pháo hoa cho button khi click vào

Bước 2: Thêm CSS sau
Mẹo: Bấm nút để copy code

body {
  margin: 0;
  padding: 0;
  background: #000;
  overflow: hidden; }

.pyro > .before, .pyro > .after {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  box-shadow: -120px -218.66667px blue, 248px -16.66667px #00ff84, 190px 16.33333px #002bff, -113px -308.66667px #ff009d, -109px -287.66667px #ffb300, -50px -313.66667px #ff006e, 226px -31.66667px #ff4000, 180px -351.66667px #ff00d0, -12px -338.66667px #00f6ff, 220px -388.66667px #99ff00, -69px -27.66667px #ff0400, -111px -339.66667px #6200ff, 155px -237.66667px #00ddff, -152px -380.66667px #00ffd0, -50px -37.66667px #00ffdd, -95px -175.66667px #a6ff00, -88px 10.33333px #0d00ff, 112px -309.66667px #005eff, 69px -415.66667px #ff00a6, 168px -100.66667px #ff004c, -244px 24.33333px #ff6600, 97px -325.66667px #ff0066, -211px -182.66667px #00ffa2, 236px -126.66667px #b700ff, 140px -196.66667px #9000ff, 125px -175.66667px #00bbff, 118px -381.66667px #ff002f, 144px -111.66667px #ffae00, 36px -78.66667px #f600ff, -63px -196.66667px #c800ff, -218px -227.66667px #d4ff00, -134px -377.66667px #ea00ff, -36px -412.66667px #ff00d4, 209px -106.66667px #00fff2, 91px -278.66667px #000dff, -22px -191.66667px #9dff00, 139px -392.66667px #a6ff00, 56px -2.66667px #0099ff, -156px -276.66667px #ea00ff, -163px -233.66667px #00fffb, -238px -346.66667px #00ff73, 62px -363.66667px #0088ff, 244px -170.66667px #0062ff, 224px -142.66667px #b300ff, 141px -208.66667px #9000ff, 211px -285.66667px #ff6600, 181px -128.66667px #1e00ff, 90px -123.66667px #c800ff, 189px 70.33333px #00ffc8, -18px -383.66667px #00ff33, 100px -6.66667px #ff008c;
  -moz-animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards, 5s position linear infinite backwards;
  -webkit-animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards, 5s position linear infinite backwards;
  -o-animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards, 5s position linear infinite backwards;
  -ms-animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards, 5s position linear infinite backwards;
  animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards, 5s position linear infinite backwards; }

.pyro > .after {
  -moz-animation-delay: 1.25s, 1.25s, 1.25s;
  -webkit-animation-delay: 1.25s, 1.25s, 1.25s;
  -o-animation-delay: 1.25s, 1.25s, 1.25s;
  -ms-animation-delay: 1.25s, 1.25s, 1.25s;
  animation-delay: 1.25s, 1.25s, 1.25s;
  -moz-animation-duration: 1.25s, 1.25s, 6.25s;
  -webkit-animation-duration: 1.25s, 1.25s, 6.25s;
  -o-animation-duration: 1.25s, 1.25s, 6.25s;
  -ms-animation-duration: 1.25s, 1.25s, 6.25s;
  animation-duration: 1.25s, 1.25s, 6.25s; }

@-webkit-keyframes bang {
  from {
    box-shadow: 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white; } }
@-moz-keyframes bang {
  from {
    box-shadow: 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white; } }
@-o-keyframes bang {
  from {
    box-shadow: 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white; } }
@-ms-keyframes bang {
  from {
    box-shadow: 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white; } }
@keyframes bang {
  from {
    box-shadow: 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white; } }
@-webkit-keyframes gravity {
  to {
    transform: translateY(200px);
    -moz-transform: translateY(200px);
    -webkit-transform: translateY(200px);
    -o-transform: translateY(200px);
    -ms-transform: translateY(200px);
    opacity: 0; } }
@-moz-keyframes gravity {
  to {
    transform: translateY(200px);
    -moz-transform: translateY(200px);
    -webkit-transform: translateY(200px);
    -o-transform: translateY(200px);
    -ms-transform: translateY(200px);
    opacity: 0; } }
@-o-keyframes gravity {
  to {
    transform: translateY(200px);
    -moz-transform: translateY(200px);
    -webkit-transform: translateY(200px);
    -o-transform: translateY(200px);
    -ms-transform: translateY(200px);
    opacity: 0; } }
@-ms-keyframes gravity {
  to {
    transform: translateY(200px);
    -moz-transform: translateY(200px);
    -webkit-transform: translateY(200px);
    -o-transform: translateY(200px);
    -ms-transform: translateY(200px);
    opacity: 0; } }
@keyframes gravity {
  to {
    transform: translateY(200px);
    -moz-transform: translateY(200px);
    -webkit-transform: translateY(200px);
    -o-transform: translateY(200px);
    -ms-transform: translateY(200px);
    opacity: 0; } }
@-webkit-keyframes position {
  0%, 19.9% {
    margin-top: 10%;
    margin-left: 40%; }

  20%, 39.9% {
    margin-top: 40%;
    margin-left: 30%; }

  40%, 59.9% {
    margin-top: 20%;
    margin-left: 70%; }

  60%, 79.9% {
    margin-top: 30%;
    margin-left: 20%; }

  80%, 99.9% {
    margin-top: 30%;
    margin-left: 80%; } }
@-moz-keyframes position {
  0%, 19.9% {
    margin-top: 10%;
    margin-left: 40%; }

  20%, 39.9% {
    margin-top: 40%;
    margin-left: 30%; }

  40%, 59.9% {
    margin-top: 20%;
    margin-left: 70%; }

  60%, 79.9% {
    margin-top: 30%;
    margin-left: 20%; }

  80%, 99.9% {
    margin-top: 30%;
    margin-left: 80%; } }
@-o-keyframes position {
  0%, 19.9% {
    margin-top: 10%;
    margin-left: 40%; }

  20%, 39.9% {
    margin-top: 40%;
    margin-left: 30%; }

  40%, 59.9% {
    margin-top: 20%;
    margin-left: 70%; }

  60%, 79.9% {
    margin-top: 30%;
    margin-left: 20%; }

  80%, 99.9% {
    margin-top: 30%;
    margin-left: 80%; } }
@-ms-keyframes position {
  0%, 19.9% {
    margin-top: 10%;
    margin-left: 40%; }

  20%, 39.9% {
    margin-top: 40%;
    margin-left: 30%; }

  40%, 59.9% {
    margin-top: 20%;
    margin-left: 70%; }

  60%, 79.9% {
    margin-top: 30%;
    margin-left: 20%; }

  80%, 99.9% {
    margin-top: 30%;
    margin-left: 80%; } }
@keyframes position {
  0%, 19.9% {
    margin-top: 10%;
    margin-left: 40%; }

  20%, 39.9% {
    margin-top: 40%;
    margin-left: 30%; }

  40%, 59.9% {
    margin-top: 20%;
    margin-left: 70%; }

  60%, 79.9% {
    margin-top: 30%;
    margin-left: 20%; }

  80%, 99.9% {
    margin-top: 30%;
    margin-left: 80%; } }

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