.student-seo{ width: 83%; margin: 0 auto; margin-bottom: 30px; } .student-seo h2 { margin: 2rem 0 12px 0; line-height: 1; font-size: 1.75rem; font-weight: bold; text-align: center; } .student-seo h3 { font-size: 20px; } .student-seo .sub-title { margin-top: 30px; margin-left: 30px; margin-bottom: 10px; border-left: 8px solid #294e95; padding-left: 10px; } .student-seo .p1 { background: #f8f1f9; font-size: 18px; padding: 15px 0 5px; } .student-seo .p1 span { width: calc(100% - 60px); width: -moz-calc(100% - 60px); width: -webkit-calc(100% - 60px); margin: 0 auto 10px; } .disBlock { display: block; }