* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;

    /* border: 1px solid black; */
}

/* Animated Transitions */

html {
    scroll-behavior: smooth;
}

p {
    font-size: 18px;
}

.hidden {
    transition: opacity 1s;
    opacity: 0;
}

/* ************  */

/* Navbar */

.navbar {
    display: flex;
    position: sticky;
    top:0;
    width: 100%;
    height: 10vh;
    justify-content: space-evenly;
    background-color: white;
    z-index: 1;
}




.navbar-right-links, .logo {
    display: flex;
    height: 100%;
    width: 50%;
}

/* Logo */

.logo {
   
    /* Alignes vertically an element */
    justify-content: center;
    align-items: center;
    font-weight: 600;
    font-size: 30px;
}

.logo img {
    width: auto;
    height: 90%;
    margin: 5px;
}


/* Navbar Links - the mess starts here */

.navbar-right-links {
    justify-content: center;
    /* align-items: center; */
 }

 
 

.navbar-right-links a {
    display: flex;
    text-decoration: none;
    width: 100%;
    color: black;
}

.navlink {
    display: flex;
    color: black;
    font-size: 18px;
    font-weight: 400;
    height: 100%;
    width: 100%;
    justify-content: center;
    align-items: center;
    text-transform: uppercase;

    /* padding: 1.3em 2.8em; */
    flex: 1 auto;
}

.navlink a {
    display: block;
    width: 100%;
    height: 100%;
}

.navbar-right-links .active, .navbar-right-links .navlink:hover {
    border-bottom: 3px solid rgb(43, 43, 110);
}

/* Downloads Menu */

.navbar-menu {
    display: none;
    flex-direction: column;
    top: 10vh;
    position: absolute;
    background-color: white;
    z-index: 1;
    width: fit-content;
    box-shadow: 4px 4px 4px 0px;
 }

 .navbar-menu a {
    display: inline-flex;
    color: black;
    position: relative;
    line-height: 3em;
    justify-content: center ;
    border-bottom: 1px solid black;
    /* add a little space between the text
     and the border of the menu */
    padding: 0 2px;
 }

 .navbar-menu a:hover {
    background-color: lightskyblue;
 }

 .navlink:hover .navbar-menu {
    display: flex;
 }

/* ************  */


/* Main Content */


/* .main-content {
    display: block;
    position: fixed;
    top: 10vh;
    height: 90vh;
    flex-direction: column;
    width: 100%;
    overflow: scroll;
} */

.container {
    display: flex;
    position: relative;
    height: 100vh;
    width: 100%;
    /* justify-content: space-evenly; */
    
    /* 
    Does Flex have a z-index > than 0? 
    YES! https://medium.com/@syogifse/solve-your-z-index-issues-6f97539502a9
    */
    /* z-index: -1; */
}

.container-item {
    height: 100%;
    width: 100%;
    display: flex;
    /* Vertical Align */
    justify-content: center;
    align-items: center;
    
}

/* First Section - Landing */

#landing {
    color:aliceblue;
    /* background-color: rgb(43, 43, 110); */
    background-color: rgba(23, 90, 159, 77%);
    height: 90vh;
}

img.screenshot {
    width: 90%;
    height: auto;
}

.presentation-text {
    /* width: 100%; */
    padding-left: 3%;
    line-height: 3em;
}


.button {
    background-color:rgb(43, 43, 110);
    text-decoration: none;
    padding: 5%;
    color: white
}

/* Second Section - About */

#about {
    background-image: url('assets/kubuntu-bg.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    color: white;
}

#about > div {
   display: block;
   position: absolute;
   top: 38%;
   width: 100%;
   padding: 0 10em;
   justify-content: center; 
   justify-items: center;
   flex-direction: column;
   line-height: auto;
   line-height: 1.3;
   opacity: 0;
   transform: translateY(150px);
   transition: all 1s ;
}

#about > div.show {
    opacity: 1;
    transform: translateY(0);
}

#about p {
    margin-bottom: 0.35em;
}

#about h2 {
    margin-bottom: 0.5em ;
    text-align: center;
}