* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
button,
input {
  outline: none;
}
a {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
img {
  vertical-align: top;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
button {
  border: none;
  background-color: transparent;
  outline: none;
}
button:focus {
  outline: none;
}
textarea {
  outline: none;
}
textarea:focus {
  outline: none;
}