main {
    background-color: var(--secondary-color);
    padding-top: 2em;
}

h1 {
    margin: 0 0 0.1em 0;
}

#h1-line {
    display: flex;
    margin: 0 0 3em 0;
}

#accordion {
    list-style: none;
    margin-top: 0;
    width: 100%;
}

#accordion li {
    width: 100%;
    margin-bottom: 2em;
    background-color: rgba(0, 0, 0, var(--secondary-opacity));
    border-radius: 8px;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    -ms-border-radius: 8px;
    -o-border-radius: 8px;
    user-select: none;
}

#accordion li label {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 0.8em 0.6em;
    padding-left: 2em;
    display: flex;
    align-items: center;
    cursor: pointer;
}

#accordion li label::before {
    content: "+";
    margin-right: 10px;
    font-size: 24px;
    font-weight: 600;
}

input[type="checkbox"] {
    display: none;
}

#accordion .content {
    font-size: 16px;
    font-weight: 200;
    letter-spacing: 0px;
    padding: 0 1em;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s, padding 0.1s;
    -webkit-transition: max-height 0.2s, padding 0.1s;
    -moz-transition: max-height 0.2s, padding 0.1s;
    -ms-transition: max-height 0.2s, padding 0.1s;
    -o-transition: max-height 0.2s, padding 0.1s;
}

#accordion input[type="checkbox"]:checked+label+.content {
    max-height: fit-content;
    padding: 10px 8em 10px 2em;
}

#accordion input[type="checkbox"]:checked+label::before {
    content: "-";
}

#accordion p {
    color: var(--text-secondary-color);
}

@media (max-width: 768px) {
    #accordion {
        padding: 0;
    }

    #accordion input[type="checkbox"]:checked+label+.content {
        max-height: fit-content;
        padding: 10px 2em 10px 2em;
    }
}