*{
    margin: 0;
    padding: 0;
}

:root{
    --background: rgba(0, 0, 0, 0.9);
    --darkGray: rgba(255, 255, 255, 0.25);
    --lightGray: rgba(255, 255, 255, 0.75);
}

html{
    font-family: "Courier New", monospace;
}

body{
    background-color: var(--background);
    color: var(--lightGray);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin: 2em;
    text-align: center;
}

#about, #university, #projects, #sites{
    max-width: 1080px;
    margin: auto;
}

hr{
    width: 100%;
    border: none;
    border-top: 3px solid var(--lightGray);
    margin: 2em 0;
}

h1, h2, h3, h4, p, ul, li{
    margin: 0.5em;
    text-align: left;
}

h1, h2, #sites h3{
    text-align: center;
}

ul{
    list-style-type: circle;
    /* max-width: 720px; */
    margin: 1em auto;
}

li{
    text-align: justify;
}

.listTitle{
    font-size: 1.2em;
    list-style-type: none;
    font-weight: bold;
    margin-top: 2em;
    text-align: left;
}

.listFLex{
    display: flex;
    align-items: center;
    margin-left: 1em;
}

/* .hide{
    display: none;
    margin-left: 1em;
    padding: 0.2em;
    border: 1px solid yellow;
    color: yellow;
    border-radius: 5px;
}

.tooltip:hover + .hide{
    display: block;
} */

summary{
    margin-top: 1em;
    font-size: 1.2em;
    font-weight: bold;
    text-align: left;
}

a{
    text-decoration: underline;
    color: var(--lightGray);
}

a:hover{
    text-decoration: underline magenta;
    color: magenta;
}

img{
    max-width: 64px;
    max-height: 64px;
    margin: 0.5em;
}

/* Projects */

/* #projects li, #hobby li{
    text-align: justify;
} */

#projects a{
    font-weight: bold;
}

#projects img, #university img{
    width: 32px;
}

.invert{
    filter: invert(1);
}

.card{
    text-align: left;
    border: 2px solid var(--lightGray);
    border-radius: 5px;
    padding: 1em;
    margin: 1em;
}

.cardFlex{
    display: flex;
    align-items: center;
}

/* Sites */

#sites div{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

#sites a{
    border: 2px solid var(--lightGray);
    border-radius: 5px;
    padding: 0.5em;
    margin: 0.5em;
    text-decoration: none;
    text-align: center;
    flex-direction: column;
    min-width: 128px;
    max-width: 256px;
}

#sites a:hover{
    background-color: var(--darkGray);
    color: var(--lightGray)
}

#sites a:active{
    background-color: var(--lightGray);
}

/* Contact */

#contact img{
    width: 32px;
}