style/introduce.css

#introduce{
    width: 100%;
    position: relative;
    padding-bottom: 70px;
    color: white;
    background: #29292c;
    padding:120px 0;
}

#introduce p{
    margin-bottom: 80px;
    font-size: 24px;
}

#introduce p:last-child{
    margin-bottom: 0;
}