/*清除元素默认的内外边距  */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
/*让所有斜体 不倾斜*/
em,
i {
  font-style: normal;
}
/*去掉列表前面的小点*/
li {
  list-style: none;
}
/*图片没有边框   去掉图片底侧的空白缝隙*/
img {
  border: 0;
  /*ie6*/
  vertical-align: middle;
  max-width: 100%;
}
/*让button 按钮 变成小手*/
button {
  cursor: pointer;
}
/*取消链接的下划线*/
a {
  text-decoration: none;
  color: #000;
  outline: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.email {
  position: fixed;
  right: 10px;
  top: 68%;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 12px;
}
.email img {
  width: 6rem;
  height: 6rem;
  max-width: 111px;
  max-height: 113px;
  margin-bottom: 6px;
}
@media screen and (min-width: 750px) {
  .email {
    font-size: 15px;
  }
}