css3 实现按钮点击动画效果(加工)

   项目中的网页需要给按钮添加动画效果,只需要如下css文件即可:

/**
 * 按钮的点击动画效果,2018年1月12日09:36:48
 **/
input.btn {
  display: inline-block;
/*   margin: 15px 15px 0;
  padding: .6em 1.1em; */
  font-size: 12px;
  font-size: 1.625rem;
  text-decoration: none;
  outline: none;
  color: #fff;
  background-color: #fe4365;
  border-radius: 3px;
  -webkit-background-clip: padding-box;
  background-clip: padding-box;
  -webkit-box-shadow: 0 0 0 -2px #cff09e, 0 0 0 -1px #fe4365;
  box-shadow: 0 0 0 -2px #cff09e, 0 0 0 -1px #fe4365;
  border: none;
  -webkit-transition: -webkit-box-shadow .3s;
  transition: box-shadow .3s;
}
input.btn:hover, input.btn:focus {
	-webkit-box-shadow: 0 0 0 2px #cff09e, 0 0 0 4px #ff0364;
    box-shadow: 0 0 0 0.5px rgb(1, 190, 188), 0 0 0 0.5px #19C1C0;
    -webkit-transition-timing-function: cubic-bezier(0.6, 4, 0.3, 0.8);
    transition-timing-function: cubic-bezier(0.6, 4, 0.3, 0.8);
    -webkit-animation: gelatine 0.5s 1;
    animation: gelatine 0.5s 1;
  /* -webkit-box-shadow: 0 0 0 2px #cff09e, 0 0 0 4px #ff0364;
  box-shadow: 0 0 0 2px #cff09e, 0 0 0 4px #ff0364;
  -webkit-transition-timing-function: cubic-bezier(0.6, 4, 0.3, 0.8);
  transition-timing-function: cubic-bezier(0.6, 4, 0.3, 0.8);
  -webkit-animation: gelatine 0.5s 1;
  animation: gelatine 0.5s 1; */
}

input.btn:active {
  background: #4ecdc4;
  -webkit-transition-duration: 0;
  transition-duration: 0;
  -webkit-box-shadow: 0 0 0 2px #cff09e, 0 0 0 4px #3ac7bd;
  box-shadow: 0 0 0 2px #cff09e, 0 0 0 4px #3ac7bd;
}

/**
 * $keyframes \ gelatine 
 **/
@keyframes gelatine {
  from, to {
    -webkit-transform: scale(1, 1);
    transform: scale(1, 1);
  }

  25% {
    -webkit-transform: scale(0.9, 1.05);
    transform: scale(0.9, 1.1);
  }

  50% {
    -webkit-transform: scale(1.1, 0.9);
    transform: scale(1.1, 0.9);
  }

  75% {
    -webkit-transform: scale(0.95, 1.05);
    transform: scale(0.95, 1.05);
  }

  from, to {
    -webkit-transform: scale(1, 1);
    transform: scale(1, 1);
  }

  25% {
    -webkit-transform: scale(0.98, 1.01);
    transform: scale(0.98, 1.01);
  }

  50% {
    -webkit-transform: scale(1, 1);
    transform: scale(1, 1);
  }

  75% {
    -webkit-transform: scale(0.98, 1.01);
    transform: scale(0.98, 1.01);
  }
}
@-webkit-keyframes gelatine {
  from, to {
    -webkit-transform: scale(1, 1);
    transform: scale(1, 1);
  }

  25% {
    -webkit-transform: scale(0.9, 1.1);
    transform: scale(0.9, 1.1);
  }

  50% {
    -webkit-transform: scale(1.1, 0.9);
    transform: scale(1.1, 0.9);
  }

  75% {
    -webkit-transform: scale(0.95, 1.05);
    transform: scale(0.95, 1.05);
  }

  from, to {
    -webkit-transform: scale(1, 1);
    transform: scale(1, 1);
  }

  25% {
    -webkit-transform: scale(0.98, 1.01);
    transform: scale(0.98, 1.01);
  }

  50% {
    -webkit-transform: scale(1, 1);
    transform: scale(1, 1);
  }

  75% {
    -webkit-transform: scale(0.98, 1.01);
    transform: scale(0.98, 1.01);
  }
}

   2.在界面上使用方式如下:

   主要是使用关键帧动画,扩大div的scale,如果你觉得动画不够大动静,可以设置scale的每个关键帧的大小.