gnu-social/public/assets/default_theme/css/reset.css

* {
    box-sizing: border-box !important;
    max-width: 100%;
}
body,
html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--background-hard);
    background-attachment: fixed;
    font-family: 'Open Sans',sans-serif;
    font-size: var(--unit);
    display: flex;
    flex-direction: column;
}
body,
input,
select,
textarea {
    color: var(--foreground);
}
:link,
:visited {
    text-decoration: none;
    color: currentColor;
}
hr {
    all: unset;
    display: block;
    height: 1px;
    background-color: var(--border) !important;
}
ol,
ul {
    list-style: none;
}
blockquote,
body,
fieldset,
form,
html,
input,
pre,
textarea {
    margin: 0;
    padding: 0;
    border: 0;
}
fieldset {
    all: unset;
}
:link img,
:visited img,
a img {
    border: 0;
}
address {
    font-style: normal;
}
:focus {
    outline: 0;
}
::-moz-focus-inner {
    border: 0;
}
details summary {
    cursor: pointer !important;
}
details summary > * {
    margin: unset;
    padding: unset;
}
details > summary {
    list-style: none;
}
details > summary::-webkit-details-marker {
    display: none;
}
@supports not(-ms-ime-align:auto) {
    details summary {
        cursor: pointer;
    }
}
[hidden] {
    display: none;
}

html {font-size: 100%;} /*16px*/

body {
    font-family: 'Open Sans', sans-serif;
    font-weight: 400;
    line-height: 1.75;
}

p {
    all: unset;
    font-family: 'Open Sans',sans-serif;
    margin-bottom: 1rem;
}

h1, h2, h3, h4, h5, legend {
    margin: 3rem 0 1.38rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}
h1:first-child, h2:first-child, h3:first-child, h4:first-child, h5:first-child, legend:first-child {
    margin-top: initial;
}

h1 {
    margin-top: 0;
    font-size: 1.383rem;
}

h2 {font-size: 1.296rem;}

h3 {font-size: 1.215rem;}

h4 {font-size: 1.138rem;}

h5 {font-size: 1.067rem;}

legend {
    font-size: 1.296em;
}

small, .text_small {
    font-family: 'Open Sans',sans-serif;
    font-size: 0.937rem;
}

input[type=password],
input[type=text],
textarea {
    font-family: 'Open Sans',sans-serif;
    font-weight: 400;
    padding: 4px 6px;
}
ul {
    text-decoration: none;
    margin: 0;
    padding: 0;
    list-style: none;
}
li {
    margin: 0;
    padding: 0;
}
a:focus,
a:hover {
    text-decoration: underline;
}
*:focus-visible {
    box-shadow: var(--shadow-inset-accent);
}