* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size: 14px;
}
.login_top {
  width: 95%;
  margin: 0 auto;
  position: relative;
}
.login_top .btn {
  width: 18vw;
  height: 8vw;
  position: absolute;
  right: 9vw;
  top: 50%;
  transform: translateY(-50%);
}
.login_content {
  width: 90%;
  margin: 20px auto 0;
}