body {
    font-family: 'Roboto', sans-serif;
}

nav img {
    width: 180px;
}

.slogan {
    background-image: url("./img/bg-roof.jpg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    padding: 130px 0;
    position: relative;
    isolation: isolate;
}

.slogan::after {
    content: '';
    position: absolute;
    z-index: -1;
    inset: 0;
    opacity: .7;
    background-color: #000;
}

.slogan p {
    font-size: 45px;
    font-weight: bold;
    color: #fff;
}

.roof-info-heading {
    color: #374D58;
}

.roof-info-text {
    line-height: 1.9;
    color: #777;
}

.specialists-team {
    background-image: url("./img/engineers.jpg");
    background-position: center;
    background-size: 100vw;
    padding: 30px 0;
    background-repeat: no-repeat;
    position: relative;
    isolation: isolate;
}

.specialists-team::after {
    content: '';
    position: absolute;
    z-index: -1;
    inset: 0;
    opacity: .7;
    background-color: #000;
}

.specialists-team-heading {
    color: #fff;
}

.specialists-team-text {
    color: #fff;
    line-height: 1.9;
}