reset.css

/* Box sizing rules */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Remove default margin */
html,
body,
div,
h1,
h2,
h3,
h4,
h5,
h6,
p,
nav,
ul,
li {
    margin: 0;
    padding: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role="list"],
ol[role="list"] {
    list-style: none;
}

/* Set core root defaults */
html:focus-within {
    scroll-behavior: smooth;
}

html,
body {
    height: 100%;
}

/* Set core body defaults */
body {
    text-rendering: optimizeLegibility;
    line-height: 1.7;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
    text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
img,
picture,
svg {
    max-width: 100%;
    display: block;
}

hr {
    --color: hsla(0, 0%, 50%, 0.1);
    display: block;
    height: 1px;
    border: 0;
    border-top: 1px solid var(--color);
    margin: 0;
    padding: 0;
    border-top-color: var(--color);
    background-color: var(--color);
    color: var(--color);
}

ul {
    list-style-type: none;
    list-style-position: inside;
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
    html:focus-within {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

Source: https://gist.github.com/Asjas/4b0736108d56197fce0ec9068145b421