#anno li{
  margin: 30px auto;
}
#anno li a{
  display: block;
  background: linear-gradient(to top, #057563, #50d4b1);
  color: #fff;
  box-sizing: border-box;
  padding: 0 20px;
  line-height: 40px;
  display: flex;
  justify-content: space-between;
  font-weight: bold;

}
.sign{
  margin-top: 50px;
}
.sign, .sign p{
  text-align: right;
}
.goback{
  display: block;
  position: absolute;
  left: 40px;
  top: 40px;
  font-weight: bold;
  color: #057563;
}
.tips{
  text-indent: 0;
}