.header{background: none}.header,.header .show{background-color: #21a675}.content{width: 1400px;margin: 180px auto 120px}.content .breadcrumb li a:hover{color: #21a675}.content .teacher-img img{display: block;border-radius: 7px;width: 100%;object-fit: cover;margin-bottom: 10px}.content .teacher-img{float: left;width: 20%;font-size: 33px;margin-right: 20px;margin-left: 120px;padding: 10px;box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1);border-radius: 7px}.content .teacher-img p{display: block;font-size: 18px}.content .teacher-img p span{font-weight: 400}.content .teacher-img p{font-weight: 600;font-style: normal;line-height: 2.3;padding: 0px 20px;font-family: "nav-font"}.content .teacher-img p{border-bottom: 1px solid #eee}.teacher-introduction{float: right;width: 70%;border: 1px solid #f3f3f3;padding: 40px;border-radius: 7px;box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1)}.teacher-introduction p{font-size: 18px;line-height: 1.5}