* {
  padding: 0;
  margin: 0;
  font-weight: 300;
  /* font-family: cursive; */
}

body {
  max-width: 990px;
  margin: 0 auto;
  background: #323232;
  padding: 0 5%;
}

strong {
  font-weight: 900;
  font-size: 12px;
  color: #323232;
}

#app {
  background: #fff;
}

ol li {
  list-style: none;
  height: 50px;
  line-height: 50px;
  font-size: 20px;
}

ol li:nth-child(odd) {
  background: #fff;
}

ol li:nth-child(even) {
  background: #eee;
}

video {
  width: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
}

@keyframes fadeInLeftBig {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(-100px, 0, 0);
    transform: translate3d(-100px, 0, 0);
  }
  100% {
    opacity: 1;
    -webkit-transform: none;
    transform: none;
  }
}


/* 列表对齐问题 */

ol {
  counter-reset: foo;
  display: table;
}

ol > li {
  counter-increment: foo;
  display: table-row;
}

ol > li::before {
  content: counter(foo)".";
  display: table-cell; /* aha! */
  text-align: right;
}

/*  */

/* <768px */
@media screen and (max-width:768px) { 
  ol li {
    height: 25px;
    line-height: 25px;
    font-size: 15px;
  }
  strong {
    font-size: 10px;
  }
  body {
    padding: 0 2%;
  }
}
/* >=992 and  */
@media screen and (min-width:992px){

}
/* >=768px and <1200px */
@media screen and (min-width:768px) and (max-width:1200px){

}
/* >=1200px */
@media screen and (min-width: 1200px) {
  
}