@font-face 
{
    font-family: "HeadUpDaisy";
    src: url("HeadUpDaisy.ttf") format("truetype");
}

html
{
    height: 100vh;
    width: 100vw;
}

*
{
    font-family: "HeadUpDaisy";
    color: hsl(0, 0%, 100%);
    line-height: 1.5;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

::-webkit-scrollbar { 
    display: none;
}

body
{
    height: 100%;
    width: 100%;

    display: flex;
    flex-direction: column;

    background: hsl(0, 0%, 3%);
    
    gap: 1rem;
    padding-left: 2rem;
    padding-right: 2rem;

    margin: 0;

    box-sizing: border-box;
}

.first-background
{
    background: linear-gradient( rgba( 0, 0, 0, 0.8 ), rgba( 0, 0, 0, 0.8 ) ), url("/img/1.jpg");
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.second-background
{
    background: linear-gradient( rgba( 0, 0, 0, 0.9 ), rgba( 0, 0, 0, 0.9 ) ), url("/img/2.jpg");
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.third-background
{
    background: linear-gradient( rgba( 0, 0, 0, 0.7 ), rgba( 0, 0, 0, 0.7 ) ), url("/img/3.jpg");
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

header
{
    display: flex;
    justify-content: center;

    border-bottom: 0.1rem solid hsl(0, 0%, 25%);

    padding-top: 1rem;
    padding-bottom: 1rem;
}

header > a + a
{
    border-left: 0.1rem solid hsl(0, 0%, 25%);
    margin-left: 0.5rem;
    padding-left: 0.5rem;
}

main
{
    display: flex;
    flex-grow: 1;
    justify-content: center;
    align-items: center;
}

article
{
    max-width: 70rem;
    padding: 1rem;
    border: 0.1rem solid hsla(0, 0%, 25%, 0.897);
    background: hsla(0, 0%, 6%, 0.897);
}

footer
{
    font-size: 0.875rem;
    padding-bottom: 1rem;
}
a
{
    color: hsl(219, 100%, 80%);
    text-decoration: none;
}

a:hover
{
    color: hsl(219, 100%, 90%);
}

.selected
{
    text-decoration: underline !important;
}

.center
{
    display: flex;
    justify-content: center;
}

.block + .block
{
    margin-top: 1rem;
}

.offset
{
    margin-left: 2rem;
}

.grid
{
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.grid > a > img
{
    max-height: 30rem;
    max-width: 30rem;
}

.center-text
{
    text-align: center;
}