【案例简介】

使用纯css实现的文字淡入淡出特效demo，

【案例截图】

【核心代码】

.sp-container {
  position: fixed;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: -webkit-radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
  background: -moz-radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
  background: -ms-radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
  background: radial-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.3) 35%, rgba(0, 0, 0, 0.7));
}
.sp-content {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0px;
  top: 0px;
  z-index: 1000;
}
.sp-container h2 {
  position: absolute;
  top: 50%;
  line-height: 100px;
  height: 90px;
  margin-top: -50px;
  font-size: 90px;
  width: 100%;
  text-align: center;
  color: transparent;
  -webkit-animation: blurFadeInOut 3s ease-in backwards;
  -moz-animation: blurFadeInOut 3s ease-in backwards;
  -ms-animation: blurFadeInOut 3s ease-in backwards;
  animation: blurFadeInOut 3s ease-in backwards;
}
.sp-container h2.frame-1 {
  -webkit-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -ms-animation-delay: 0s;
  animation-delay: 0s;
}
.sp-container h2.frame-2 {
  -webkit-animation-delay: 3s;
  -moz-animation-delay: 3s;
  -ms-animation-delay: 3s;
  animation-delay: 3s;
}