body {
  margin: 0;
}
header {
  position: sticky;
  top: 0;
  z-index: 1;
}
a {
  text-decoration: none;
  color: #ffffff;
}
.univname:hover {
  color: #263d7f;
}
.header-top {
  padding: 10px 50px;
  background-color: #ff5d00;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
}
.header-bottom {
  background-color: #363636;
  padding: 25px;
}
.nav-option {
  width: 50%;
  display: flex;
  justify-content: space-between;
  list-style: none;
  padding: 0 50px;
  margin: 0 auto;
  color: #ffffff;
  font-size: large;
}
.resume:hover {
  color: #ff5d00;
}
.popole:hover {
  color: #ff5d00;
}
.cert:hover {
  color: #ff5d00;
}
.test {
  height: 500px;
  background-color: red;
}
.content {
  background-color: #363636;
  padding: 15px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.item {
  width: 383px;
  height: 383px;
  margin: 10px;
  padding: 20px;
  background-color: #263d7f;
  text-align: center;
  border-radius: 15px;
  background-image: linear-gradient(#263d7f, skyblue);
}
.item:hover {
  opacity: 0.5;
}
.item-a {
  display: block;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
  height: 100%;
}
h3 {
  margin: 10px;
}
.img-border {
  border-radius: 10px;
  overflow: hidden;
}
p {
  margin: 10px;
}
/* 자격증 페이지 */
.cer-main {
  height: 100vh;
  padding: 30px;
  background-image: linear-gradient(#263d7f, skyblue);
}
.cer-item {
  margin-bottom: 25px;
  padding: 20px;
  background-color: gray;
  border-radius: 10px;
  color: #ffffff;
}
.cer-item:hover {
  opacity: 0.85;
}
.cer-content {
  line-height: 1.5;
}
/* 이력서 페이지 */
.resume-main {
  padding: 20px;
  height: 100vh;
  background-image: linear-gradient(#263d7f, skyblue);
}
.resume-img {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background-image: url("김영진님12.jpg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}