html {
    scroll-behavior: smooth;
}

html * {
    font-family: "Open Sans", Arial;
    color: #444;
    background-color: #F0F0F0;
}

html svg,
html #about a{
    color: #444;
    fill: #444;
}

nav {
    width: 100vw;
    font-weight: 600;
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1rem;
    text-align: center;
}

nav a {
    margin: 0 1rem;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.25s ease-in-out;
}

/* Nav media query for mobile */
@media only screen and (max-width: 600px) {
    nav a {
        display: none;
        text-align: right;
    }

    nav #toggle {
        display: block;
    }
}

#toggle {
    /* Move to the top right of the screen */
    position: absolute;
    top: 0;
    right: 100px;
    cursor: pointer;
}

/* Toggle media query for mobile */
@media only screen and (max-width: 600px) {
    #toggle {
        right: 50px;
    }
}

#moon, #sun {
    position: absolute;
    transition: opacity 0.1s ease;
}

#moon {
    opacity: 1;
}

#sun {
    opacity: 0;
}

/* Header styles */
header {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

header h1 {
    font-size: 45px;
    width: 500px;
}

header h2 {
    font-size: 25px;
    width: 500px;
}

/* Header media query for mobile */
@media only screen and (max-width: 600px) {
    header h1 {
        font-size: 33px;
        width: 300px;
    }

    header h2 {
        font-size: 23px;
        width: 300px;
    }
}

header a {
    text-decoration: none;
}

svg {
    margin: 0 15px;
    height: 50px;
    width: 50px;
}

/* Icons media query for mobile */
@media only screen and (max-width: 600px) {
    svg {
        height: 40px;
        width: 40px;
        margin: 0 5px;
    }
}

svg:hover {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.25s ease-in-out;
}

#down-arrow {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
}

#about {
    margin-top: 100vh;
    width: 1000px;
}

#about h1 {
    font-size: 25px;
}

#about h2 {
    font-size: 20px;
}

#about p{
    font-size: 18px;
}

#about ul li {
    font-size: 18px;
    margin-top: 7px;
}

/* About media query for mobile */
@media only screen and (max-width: 600px) {
    #about {
        width: 90%;
    }

    #about h1 {
        font-size: 1.5rem;
    }

    #about h2 {
        font-size: 1.25rem;
    }

    #about p, #about ul li {
        font-size: 1rem;
    }

    #about ul li {
        margin-top: 10px;
    }
}

#about a {
    text-decoration: underline;
}

#about a:hover {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.25s ease-in-out;
}