/* navigator */
nav {
    display: flex;
    gap: 1rem; 
    flex-wrap: wrap;
}

nav div {
    background-color: #AEE8C2;
    padding: 5px 10px;
    border-radius: 10px;
    font-family: monospace;
}

nav div a {
    color: #A42D00;
    text-decoration: none;
}

/* general */
html {
    scroll-behavior: smooth;
}
body {
    max-width: 1000px;
    margin: auto;
    padding: 0 10px;
}

em {
    font-style: italic;
    font-weight: unset;
    text-shadow: 2px 2px 10px lightseagreen;
}

header {
    min-height: 100vh;
    margin: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#overview {
    min-height: 100vh;
    margin: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#overview > p {
    max-width: 600px;
}

.overview-gap {
    height: 100px;
}

#overview .container {
    width: 100%;
    display: grid;
    gap: 10px;
}

#overview .container > div {
    background-color: lightgoldenrodyellow;
    border-radius: 30px;
}

#overview .container > .long {
    grid-column: 1 / -1;
    background-color: lightsalmon;
}

#overview .phase-title {
    font-weight: bold;
} 

@media (min-width: 500px) {
    #overview .container {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

div.backtop {
    background-color: #AEE8C2;
    height: 30px;
    width: 30px;
    border-radius: 50%;
    font-family: monospace;

    position: fixed;
    bottom: 30px;
    right: 30px;
    text-decoration: none;

    display: grid;
    place-content: center;
}

div.backtop a {
    color: #A42D00;
    text-decoration: none;
}

ul.nobullet {
    list-style-type: none;
}

ul li {
    margin: 5px;
}

p {
    margin: 20px;
}

.tt {
    font-family: monospace;
}

/* for talk */
span.talk-title {
    font-weight: bold; 
    font-size: 25px;
}

div.talk-content {
    width: 600px; 
    text-align: justify;
}