@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@100;200;300;400;500;600;700;800;900&display=swap');

:root{
    --darkblue: #35495E;
    --lightblue: #6A90A2;
    --lightblue2: #5E838F;
    --white: #FFFFFF;
    --black: #000000;
    --greenwater: #B8D8D8;
    --darkgreenwater: #A6C7C7;
    --lightorange: #ffc89b;
    --darkorange: #FFB97D;
    --bluepoder: #BFD7EA;
    --lightgrey: #F5F5F5;
    --darkgrey: #333333;
}


html, body {
    font-family: 'Montserrat', sans-serif;
    color: var(--white);
    height: 100vh;
    margin: 0;
    padding: 0;
    overflow: hidden;
}


body {
    background: linear-gradient(to bottom, var(--lightblue), var(--darkgreenwater));
    background-attachment: fixed;
    background-size: 100% 100%;
}
h1,h2,h3,h4,h5,h6{
    color: var(--greenwater);
    text-align: center;
}

a{
    color: var(--lightorange);
    text-decoration: none;
}

a:hover{
    text-decoration: underline;
}

header {
    position: absolute;
    top: 0;
    width: 100%;
    height: 80px;
    background-color: var(--lightblue2);
    clip-path: polygon(90% 0, 80% 80%, 20% 80%, 10% 0);
}

header nav {
    position: absolute;
    top: 25px;
    width: 50vw;
    left: 25vw;
}

header nav ul {
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
}

#link_without_under li,
#link_without_under li a {
    text-decoration: none;
    list-style: none;
}

#link_without_under li a:hover {
    text-decoration: underline;
}
main{
    position: absolute;
    top: 80px;
    width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
    overflow-x: hidden;
}

header h1 {
    position: relative;
    top: -20px;
}

span#avant{
    cursor: pointer;
    color: rgb(165, 25, 81);
}