.header_container{
  text-align: center;
}
h1{
  text-align: center;
  margin:1em 0 2em;
  font-size:20px;
}
@media screen and (max-width:500px) {
  h1{
    font-size:16px;
  }
}

ul{
  padding: 0;
  margin:0 auto;
  width:80%;
  max-width: 320px;
}
a{
  color:#000;
  text-decoration: none;
}
li{
  list-style: none;
  margin:0;
  margin-bottom: 1.5em;
  padding:0.6em 0;
  border:2px rgb(2, 91, 163) solid;
  border-radius: 25px;
  text-align: center;
  font-weight: bold;
  background-color: #dee8fc;
}

@media screen and (max-width: 960px) {
  
}