h2.past-ex{
  font-size: 18px;
  font-weight: bold;
  margin-top: 30px;
  margin-bottom: 30px;
}

ul#year-archive{
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3,auto);
  list-style: none;
  padding-left: 0;
}

ul#year-archive li a{
  border: 1px solid #000;
  border-radius: 999px;
  color: #000;
  display: block;
  font-size: 16px;
  max-width: 100px;
  padding: 5px 15px;
  text-align: center;
  transition: 0.3s;
  width: 100%;
}

ul#year-archive li a:hover{
  background-color: #666666;
  border-color: #666666;
  color: #fff;
  text-decoration: none;
}

a.latest_btn{
  background-color: #000;
  border-radius: 10px;
  color: #fff;
  display: block;
  margin-top: 50px;
  max-width: 250px;
  padding: 15px 15px;
  padding-right: 30px;
  position: relative;
  transition: 0.3s;
  width: 100%;
}

a.latest_btn:hover{
  opacity: 0.6;
  text-decoration: none;
}

a.latest_btn::before{
  content: '';
  width: 8px;
  height: 8px;
  border-top: solid 2px #fff;
  border-right: solid 2px #fff;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: rotate(45deg) translateY(-50%);
}


@media screen and (min-width: 576px) {
  ul#year-archive{
    grid-template-columns: repeat(4,auto);
  }
}

@media screen and (min-width: 768px){
  ul#year-archive{
    grid-template-columns: repeat(5,auto);
  }
}

@media screen and (min-width: 992px){
  ul#year-archive{
    grid-template-columns: repeat(7,auto);
  }
}