body {
    min-height: 100vh;
}

.navbar {
    position: fixed;
    top: 0;
}

.preloader {
    position: fixed;
    top: 0;
}

.overlay {
    position: fixed;
    top: 0;
}

.about {
    position: relative;
    z-index: 2;
    width: 80%;
    padding: 20vh 10% 5vh 10%;
}

.about h1 {
    display: flex;
    position: relative;
    font-size: 2.25vh;
    font-weight: 700;
    color: #fff;
    margin: 0;
    margin-bottom: 1.5vh;
    text-align: center;
    justify-content: center;
}

.about h1::after {
    display: block;
    position: absolute;
    content: '';
    bottom: -1vh;
    height: .2vh;
    width: 3%;
    background-color: #fff;
}

.about p {
    margin: 5vh 0vh 0vh 0vh;
    font-size: 1.6vh;
    color: #fff;
    line-height: 1.5;
}

@media screen and (max-width: 600px), (orientation : portrait) {
    .about h1 {
        font-size: 3vh;
    }

    .about h1::after {
        width: 10%;
    }
}