.main-tacgia {
  padding: 15px;
  background-color: #3e5fb4;
  border-radius: 3px;
}
.main-tacgia .contac-tacgia {
  display: flex;
}
.main-tacgia .contac-tacgia .img-avata img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid white;
}
.main-tacgia .contac-tacgia .des-tac-gia {
  color: white;
  font-size: 16px;
  padding: 0px 15px;
}
.main-tacgia .contac-tacgia .des-tac-gia .title-name-tacgia {
  font-size: 24px;
  margin-bottom: 8px;
  display: block;
  color: white;
}
.main-tacgia .solical-tacgia {
  display: flex;
  background-color: white;
  padding: 15px;
  margin-top: 15px;
  border-radius: 6px;
}
.main-tacgia .solical-tacgia .solical-item {
  color: #3e5fb4;
  margin-right: 25px;
  font-size: 20px;
  cursor: pointer;
}
.main-tacgia .solical-tacgia .solical-item i {
  padding: 5px 6px;
}
.main-tacgia .solical-tacgia .solical-item .fa-facebook {
  border: 1px solid #3e5fb4;
  padding: 4px 4px;
  border-radius: 5px;
}
.main-tacgia .solical-tacgia .solical-item .fa-envelope {
  background-color: #f38d51;
  border-radius: 50%;
  color: white;
}
.main-tacgia .solical-tacgia .solical-item .fa-twitter {
  background-color: #5c82e3;
  border-radius: 50%;
  color: white;
}
.main-tacgia .solical-tacgia .solical-item .fa-phone {
  background-color: red;
  border-radius: 50%;
  color: white;
  padding: 5px 7px;
}
.main-tacgia .solical-tacgia .solical-item .fa-linkedin {
  background-color: #5c82e3;
  border-radius: 50%;
  color: white;
}
.blog-list-tacgia {
  margin-top: 40px;
}
.blog-list-tacgia .title-list {
  font-size: 24px;
  padding-bottom: 15px;
  text-transform: uppercase;
  margin-bottom: 15px;
  border-bottom: 2px solid #3e5fb4;
  font-weight: 500;
}
.blog-list-tacgia .blog-item-list-rs {
  margin-top: 30px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  column-gap: 20px;
  display: grid;
}
@media only screen and (max-width: 760px) and (min-width: 0px) {
  .blog-list-tacgia .blog-item-list-rs {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}
.blog-list-tacgia .blog-item-list-rs .customer-item {
  border: 1px solid #D7D7D7;
  box-sizing: border-box;
  border-radius: 14px;
  margin-bottom: 15px;
  box-shadow: 0px 7px 18px #f3f1f1;
  transition: 0.3s all;
}
.blog-list-tacgia .blog-item-list-rs .customer-item:hover {
  box-shadow: 0px 7px 18px #c9c7c7;
}
.blog-list-tacgia .blog-item-list-rs .customer-item img {
  width: 100%;
  aspect-ratio: 4/3;
  border-top-left-radius: 15px;
  border-top-right-radius: 15px;
}
.blog-list-tacgia .blog-item-list-rs .customer-item .content {
  padding: 18px;
}
.blog-list-tacgia .blog-item-list-rs .customer-item .content-title {
  font-style: normal;
  font-weight: bold;
  font-size: 15px;
  color: #000000;
  margin-bottom: 8px;
}
.blog-list-tacgia .blog-item-list-rs .customer-item .content-des {
  font-style: normal;
  font-weight: 500;
  font-size: 15px;
  color: #000000;
  opacity: 0.7;
  margin-bottom: 8px;
}
.blog-list-tacgia .blog-item-list-rs .customer-item .btn-read {
  font-style: normal;
  font-weight: 500;
  font-size: 16px;
  color: #3E5FB4;
}
.post-navigation-left {
  padding: 20px 25px;
  margin-bottom: 25px;
  border-radius: 10px;
  box-shadow: 1px 0px 10px 0px #0000001C;
}
.post-navigation-left .nav-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #000000;
}
.post-navigation-left .toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.post-navigation-left .toc li {
  margin-bottom: 8px;
}
.post-navigation-left .toc a {
  font-size: 16px;
  line-height: 24px;
  color: #3E5FB4;
  text-decoration: none;
}
.post-navigation-left .toc a:hover {
  text-decoration: underline;
}