.maincontent {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    border: none;
}

.tile-roof, .roof-list{
text-align: center;
margin: 0 auto;
}

.residential-rooftype{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 25px 50px;
    align-items: center;
}

.roof-list ul{
font-size: 1.5rem;
}