* {
    margin: 0;
    padding: 0;
}

:root {
    --blue-color: #6794D9;
    --orange-color: #FF9C44;
    --purple-color: #A878E8;
    --main-font: "Roboto Condensed", sans-serif;
    --max-window-width: 75%;
}

[data-theme="dark"] {
    --background-color: #0C0C0C;
    --text-color: #ffffff;
    --card-color: #242424;
    --card-btn-color: rgba(0, 0, 0, 0.5);
    --text-label-color: rgba(0, 0, 0, 0.75);
}

[data-theme="light"] {
    --background-color: #ffffff;
    --text-color: #0C0C0C;
    --card-color: #E5E5E5;
    --card-btn-color: #F9F9F9;
    --text-label-color: rgba(0, 0, 0, 0.6);
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--main-font), serif;
}

.bold {
    font-weight: bold;
}

.underline {
    text-decoration: underline;
}

.pointer {
    cursor: pointer;
}

.blue {
    color: var(--blue-color);
}

.orange {
    color: var(--orange-color);
}

.purple {
    color: var(--purple-color);
}

.filter-white {
    filter: invert(100%) sepia(100%) saturate(1%) hue-rotate(149deg) brightness(109%) contrast(101%);
}

.filter-orange {
    filter: invert(77%) sepia(40%) saturate(2436%) hue-rotate(326deg) brightness(101%) contrast(103%);
}

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

.scroll {
    width: 100%;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: auto;
    width: var(--max-window-width);
    max-width: 900px;
    overflow: hidden;
}

section h1:first-child {
    font-size: 60px;
    font-weight: bold;
}

@media (min-width: 320px) and (max-width: 768px) {

    main {
        width: 100%;
    }
}