akkoma/priv/static/static-fe/forms.css

form {
    width: 100%;
}

.input {
    color: var(--muted-text-color);
    display: flex;
    margin-left: 1em;
    margin-right: 1em;
    flex-direction: column;
}

input {
    padding: 10px;
    margin-top: 5px;
    margin-bottom: 10px;
    background-color: transparent;
    color: inherit;
    border: 0;
    transition-property: border-bottom;
    transition-duration: 0.35s;
    border-bottom: 2px solid var(--faint);
    font: inherit;
    width: inherit;
    box-sizing: border-box;
}

.scopes-input {
    display: flex;
    flex-direction: column;
    margin: 1em 0;
    color: var(--muted-text-color);
}

.scopes-input label:first-child {
    height: 2em;
}

.scopes {
    display: flex;
    flex-wrap: wrap;
    color: var(--primary-text-color);
}

.scope {
    display: flex;
    flex-basis: 100%;
    height: 2em;
    align-items: center;
}

.scope:before {
    color: var(--primary-text-color);
    content: "✔\fe0e";
    margin-left: 1em;
    margin-right: 1em;
}

[type="checkbox"]+label {
    display: none;
    cursor: pointer;
    margin: 0.5em;
}

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

[type="checkbox"]+label:before {
    cursor: pointer;
    display: inline-block;
    color: white;
    background-color: var(--background-color);
    border: 4px solid var(--background-color);
    box-shadow: 0px 0px 1px 0 var(--brand-color);
    width: 1.2em;
    height: 1.2em;
    margin-right: 1.0em;
    content: "";
    transition-property: background-color;
    transition-duration: 0.35s;
    color: var(--background-color);
    margin-bottom: -0.2em;
    border-radius: 2px;
}

[type="checkbox"]:checked+label:before {
    background-color: var(--brand-color);
}

a.button,
button {
    width: 100%;
    background-color: var(--btn);
    color: var(--btnText);
    border-radius: 4px;
    border: none;
    padding: 10px 16px;
    margin-top: 20px;
    margin-bottom: 20px;
    text-transform: uppercase;
    box-shadow: var(--btnShadow);
    font: inherit;
}

a.button:hover,
button:hover {
    cursor: pointer;
    box-shadow: var(--btnHoverShadow);
}

.actions {
    display: flex;
    flex-grow: 1;
}

.actions button,
.actions a.button {
    width: auto;
    margin-left: 2%;
    width: 45%;
    text-align: center;
}

.account-header__banner {
    width: 100%;
    height: 80px;
    background-size: cover;
    background-position: center;
}

.account-header__avatar {
    width: 64px;
    height: 64px;
    background-size: cover;
    background-position: center;
    margin: -60px 10px 10px;
    border: 6px solid var(--foreground-color);
    border-radius: 999px;
}

.account-header__meta {
    padding: 12px 20px 17px 70px;
}

.account-header__display-name {
    font-size: 20px;
    font-weight: bold;
}

.account-header__nickname {
    font-size: 14px;
    color: var(--muted-text-color);
}

.oauth {
    /* Remote interaction /main/ostatus has such hierarchy, and its header and
     * content do not pad themselves:
     *   (.panel.oauth (h2)
     *                 (form (input)
     *                       (button))) */
    padding: 1px 1em;
}

.oauth .container__content {
    /* Frontend selection /oauth/authorize needs an inverse because its heading
     * and content have their own background and padding:
     *   (.panel.oauth (form (.container__content (.panel-heading)
     *                                            (.panel-content)))) */
    margin: -1px -1em;
}