html {
    font-family: sans-serif;
    font-size: 62.5%;
        -moz-osx-font-smoothing: grayscale;
        -webkit-font-smoothing: antialiased;
}

body {
    margin: 0;
    line-height: 1.625;
    color: #333;
    background-color: #fff;
    font-size: 15px;
    font-size: 1.5rem;
}

.site-header {
    padding-top: 50px;
    padding-bottom: 50px;
}

.container {
    max-width: 1170px;
    margin-right: auto;
    margin-left: auto;
    padding-left: 15px;
    padding-right: 15px;
}

#portfolio-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.portfolio-item {
    position: relative;
    background-color: #eee;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.portfolio-item::before {
    content: ' ';
    display: block;
    width: 100%;
    padding-top: 100%;
}

.portfolio-item-1 {
    background-image: url(img/pic-1.jpg);
}

.portfolio-item-2 {
    background-image: url(img/pic-2.jpg);
}

.portfolio-item-3 {
    background-image: url(img/pic-3.jpg);
}

.portfolio-item-4 {
    background-image: url(img/pic-4.jpg);
}

.portfolio-item-5 {
    background-image: url(img/pic-5.jpg);
}

.portfolio-item-6 {
    background-image: url(img/pic-6.jpg);
}

.portfolio-item-7 {
    background-image: url(img/pic-7.jpg);
}

.portfolio-item-8 {
    background-image: url(img/pic-8.jpg);
}

.portfolio-item-9 {
    background-image: url(img/pic-9.jpg);
}

.portfolio-item-10 {
    background-image: url(img/pic-10.jpg);
}

.portfolio-item-11 {
    background-image: url(img/pic-11.jpg);
}

.portfolio-item-12 {
    background-image: url(img/pic-12.jpg);
}

.portfolio-item-13 {
    background-image: url(img/pic-13.jpg);
}

.portfolio-item-14 {
    background-image: url(img/pic-14.jpg);
}

.portfolio-item-15 {
    background-image: url(img/pic-15.jpg);
}

.portfolio-item-16 {
    background-image: url(img/pic-16.jpg);
}

.portfolio-item-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#about {
    padding-top: 90px;
}

.about-row {
    background: #f7f5f2;
    display: grid;
    grid-template-columns: auto auto auto;
    grid-template-rows: auto;
    align-items: center;
    padding: 40px 70px;
}

.about-image {
    background-image: url(img/inge-briedl-new.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: right;
    width: 300px;
    height: 300px;
    border-radius: 9999999px;
    margin-right: 50px;
}

.about-text {
    font-size: 17px;
    font-size: 1.7rem;
}

.site-footer {
    text-align: center;
    padding-top: 50px;
    padding-bottom: 40px;
}


@media screen and (max-width: 768px) {
    #portfolio-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-row {
        grid-template-columns: repeat(1, auto);
    }
    .about-image {
        margin: 0 auto 30px;
    }
}

@media screen and (max-width: 480px) {
    #portfolio-container {
        grid-template-columns: repeat(1, 1fr);
    }
    .about-row {
        padding: 40px;
    }
    .header-logo {
        text-align: center;
    }
}