/** Color **/

:root {
    --white: #fffffe;
    --blue: #094067;
    --grey: #5f6c7b;
    --light-blue: #3da9fc;
    --light-grey: #90b4ce;
    --yellow: #ffe45c;
}

/*** Basic ***/

*{
    padding: 0;
    margin: 0;
}

html body {
    background-color: #fffffe;
}

/*** Fonts / Schriften ***/

h1 {
    margin: 2em 0 1.5em 0;
    text-align: center;
    font-family: 'Roboto', sans-serif;
    font-weight: bolder;
    color: var(--blue)
}

h2 {
    margin: 2em 0 1.5em 0;
    text-align: center;
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    color: var(--yellow)
}

p {
    font-family: 'Roboto', sans-serif;
    color: var(--grey);
}

ul{
    list-style-position: inside;
    font-family: 'Roboto', sans-serif;
    color: var(--grey);
}

button {
    display: block;
    margin: 2em auto 2em auto;
    width: 200px;
    height: 50px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    outline: none;
    background-color: var(--light-blue);
    color: var(--white);
    box-shadow: 0px 8px 15px rgba(0, 0, 0, 0.1);
}

button:hover{
    background-color: var(--yellow);
    box-shadow: 0px 15px 20px rgba(255, 228, 92, 0.87);
    color: #fff;
}

/*** NAV / Navigation ***/

nav{
    width: 50%;
    margin: auto;
    padding: 1.5em 0 1.5em 0;
    font-family: sans-serif;
    font-weight: 700;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: space-around;
}

nav a {
    text-decoration: none;
    color: var(--light-blue);
}

nav a:hover{
    text-decoration: underline;
}

/*** Top Lvl / Big Header ***/

#top-lvl p {
    width: 35%;
    margin: auto;
    margin-top: 1em;
    text-align: center;
}

#top-lvl img{
    display: block;
    margin: auto;
}

/*** Wrapper / Alg. ***/ 

#main-wrapper{
    width: 50%;
    margin: auto;
} 

/*** System / OS ***/

#system {
    width: 50%;
    margin: 4em auto 4em auto;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

/*** About / Sector About ***/

#about {
    width: 50%;
    margin: 4em auto 4em auto;
    display: flex;
    align-items: center;
}

#about ul{
    list-style-position: inside;
    margin: 1em;
    font-family: sans-serif;
    color: var(--grey);
}

#about img {
    width: 350px;
    margin-right: 2em;
}


/*** Layout / Sector ***/

#layout {
    width: 50%;
    margin: 4em auto 4em auto;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

/*** Media / Screenshots Gallery ***/

#media {
    width: 100%;
    background-color: cadetblue;
    display: flex;
    justify-content: space-between;
}

#media img {
    width: 750px;
}

/*** Download ***/

#download {
    margin: auto;
    text-align: center;
    margin-bottom: 5em;
}

/*** Footer ***/

footer {
    width: 100%;
    text-align: center;
}

#footer-wrapper {
    display: flex;
    justify-content: space-around;
}