Bản mẫu:BKTT:Quyển/styles.css

.section {
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.1);
  border: 1px solid #E0E0E0;
  border-radius: 3px;
  padding: 20px;
}
.section-title {
  font-size: 20px;
  font-weight: bold;
  padding: 0;
  margin: 10px 0 10px 0;
  text-align: center;
}

ul {
  list-style: none;
}

ul li::before {
  content: "\2022 ";
  color: #EE5A28;
  font-weight: bold;
  display: inline-block; 
  width: 1em;
  margin-left: -1em;
}

.more { 
  column-count:4;  
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.1);
  border: 1px solid #E0E0E0;
  border-radius: 3px;
  padding: 20px;
}

@media only screen and (max-width: 1650px) {
.more { column-count:3;}
}
@media only screen and (max-width: 1100px) {
.more { column-count:2;}
}
@media only screen and (max-width: 550px) {
.more { column-count:1;}
}