html {
  color: #333;
  background: #fff;

  font-size: 14px;
  line-height: 1.8;
}

*{
  margin:0;
  padding:0;
  box-sizing: border-box;
}

img{
  max-width: 100%;
  height:auto;
}

a{
  color:#333;
}

li{
  list-style-position: inside;
}


.mb_s{
  margin-bottom: 10px;
}

.mb_m{
  margin-bottom: 20px;
}

.mb_l{
  margin-bottom: 40px;
}