#itroduction { width: 75%; padding: 50px 3% 50px 5%; box-sizing: border-box; display: table-cell; border-left: 2px solid #bbbbe4; vertical-align: top; }

#itroduction p { line-height: 140%; }
#itroduction ul li { line-height: 140%; }


@media screen and (max-width: 980px) {
    
    #itroduction { width: 100%; padding: 50px 3%; display: block; border-left: none; }
    
}

@media screen and (max-width: 650px) {
    
    #itroduction p { line-height: 160%; }
    
}