.m { background-color: #f8f9fa; } .main { /* width: 1100px; */ height: 2500px; background-color: white; } .main .img1 { width: 1000px; margin: 0 auto; padding-top: 30px; } .main h1 { text-align: center; font-size: 30px; margin-top: 30px; margin-bottom: 30px; color: #1b1c5e; } .main h3 { width: 800px; margin-top: 30px; text-align: center; border: solid; padding: 30px 0 30px; border-width: thin 0 thin 0; margin: 0 auto; } h5 { text-align: center; margin-bottom: 50px; } .text { width: 1000px; margin: 0 auto; font-size: 16px; } h4 { color: #1b1c5e; }