leilukin-site/css/style-index.css

:root {
    --clr-body-bg: #000000;
    --clr-body-txt: #ffffff;
    --clr-h1: #BA6FE8;
    --clr-link-btn-bg: #7A37A3;
    --clr-link-btn-hover: #BA6FE8;

    --fs-h1: 4rem;
    --fs-body: 1rem;
    --fs-link-btn: 2rem;

    --fw-reg: 400;
    --fw-link-btn: 600;
}

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

/* Remove default margin */
body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
    margin: 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;
}

/* Set core body defaults */
body {
    min-height: 100vh;
    text-rendering: optimizeSpeed;
    line-height: 1.5;
}

/* 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 {
    max-width: 100%;
    display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
    font: inherit;
}

/* 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;
    }
}

/* STYLING BEGINS */
body {
    font-size: var(--clr-body-bg);
    font-family: 'Source Sans Pro', Arial, Helvetica, sans-serif;
    color: #FFFFFF;
    background: var(--clr-body-bg);
    text-align: center;
}

body,
main {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

main {
    max-width: 56rem;
}

h1 {
    font-size: var(--fs-h1);
    color: var(--clr-h1);
    font-weight: var(--fw-reg);
    letter-spacing: 0.08em;
    margin: 2rem 0;
    line-height: 1;
}

p {
    font-size: 1.5rem;
}

.index__btn-wrapper {
    display: flex;
    flex-wrap: wrap;
    margin: 1.5rem 0;
}

.index__link {
    text-decoration: none;
    font-size: var(--fs-link-btn);
    font-weight: var(--fw-link-btn);
    border: none;
    border-radius: 0.6rem;
    padding: 1rem 1.25rem;
    margin: 0.5rem;
    background: var(--clr-link-btn-bg);
    color: var(--clr-body-txt);
    text-transform: uppercase;
}

.index__link:hover {
    cursor: pointer;
    background: var(--clr-link-btn-hover);
    transition: 0.5s;
}

.index__link:focus {
    outline-offset: 0.2em;
    outline: 0.2em solid var(--clr-body-txt);
}

a:focus img {
    outline: 0.2em solid var(--clr-body-txt);
}