* {
  margin: 0;
  padding: 0;
}
li,
ul {
  list-style: none;
}
a {
  text-decoration: none;
}
i {
  font-style: normal;
}
input,
select {
  outline: none;
}
img {
  border: none;
  display: block;
}
a,
button,
input,
textarea {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.content {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.content_img {
  width: 100%;
  height: auto;
}