.contents-title{color:#636363}.contents-bg-1{background-color:#f5f5f5}.contents-bg-2{background-color:#fff}.contents{margin-top:100px;margin-bottom:100px}.main-color{color:#208ea3}.contents-text{color:#666}.class1{background-color:rgba(0,0,0,.05)}.class2{background-color:#fff}