* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
a {
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
/* 清除浮动 */
.ks-clear:after,
.clear:after {
  content: "\20";
  display: block;
  height: 0;
  clear: both;
}
.ks-clear,
.clear {
  *zoom: 1;
}
.myAniDelay300ms {
  animation-delay: 300ms;
}
.myAniDelay600ms {
  animation-delay: 600ms;
}
.myAniDelay900ms {
  animation-delay: 900ms;
}
.myAniDelay1200ms {
  animation-delay: 1200ms;
}