.mysql-colorcode-blue{color:#1990b8}.mysql-red{color:#c92c2c}.mysql-brown{color:#a67f59}.mysql-green{color:#2f9c0a}.sql-blue{color:#1990b8}.sql-red{color:#c92c2c}.sql-brown{color:#a67f59}.sql-green{color:#2f9c0a}.mssql-blue{color:#1990b8}.image-postgresql{margin:20px 0}.lesson-content-wrapper h1{font-size:32px;font-weight:700;color:#222;margin-bottom:20px}.lesson-content-wrapper h2{font-size:26px;font-weight:600;color:#222}.lesson-content-wrapper h3{font-size:20px;font-weight:600;color:#222;margin:0 0 10px}.lesson-content-wrapper li,.lesson-content-wrapper p{font-size:17px;line-height:1.8;color:#000;margin:0}.lesson-content-wrapper ol{padding-left:22px}.lesson-content-wrapper strong{color:#222}.lesson-content-wrapper img{max-width:100%;height:auto;display:block;margin:20px 0}.lesson-content-wrapper code{color:#e83e8c;font-family:Consolas,Monaco,monospace;font-size:.95em;background:0 0;padding:0}.lesson-content-wrapper pre{padding:0;background:0 0;border:none;font-family:Consolas,Monaco,monospace;font-size:15px;line-height:1.7;white-space:pre-wrap}.sql-keyword{color:#0b72b9;font-weight:600}.sql-function{color:#7b3fe4}.sql-string{color:#2e8b57}.sql-number{color:#d35400}.lesson-content-wrapper hr{border:none;border-top:1px solid #ddd;margin:10px 0}.keyword{color:#0b72b9;font-weight:600}.bold{font-weight:700}.blue{color:#1990b8}.paragraph{font-size:17px;line-height:1.8;color:#000;margin-bottom:16px}.divider{border-top:1px solid #ddd;margin:30px 0}.basic-syntax-section,.concepts,.datatype-section,.intro-section,.key-concepts,.page-intro,.page-title,.parent,.section,.select-into-content,.sql-insert-content,.steps-section{margin-bottom:24px}.concept,.concept-item{margin-bottom:20px}.concept-heading h3,.concept-item h3{margin-top:0;font-size:20px;color:#1e293b}.concept-content{margin-top:10px}.section-title{font-size:20px;font-weight:700;color:#181059;margin:24px 0 12px 0}.question-title{font-size:18px;font-weight:700;color:#1e293b;margin:20px 0 10px 0}.section-description{margin-bottom:12px}.code-section,.sample{margin-top:20px}.code-box{margin:15px 0}.main-title{font-size:28px;font-weight:700;color:#181059;margin-bottom:16px}.list ol,.list ul{padding-left:22px;margin-bottom:20px}.sql-green{color:#b6e99f}.lesson-content-wrapper ol>li::marker{color:#000;font-weight:700}