Ghost/ghost/admin/app/styles/patterns/forms.css

/* Forms
/* ---------------------------------------------------------- */

form * {
    user-select: text;
}

form label {
    display: block;
    color: var(--darkgrey);
    font-size: 1.3rem;
    font-weight: bold;
}

form .word-count {
    float: right;
    font-weight: bold;
}

fieldset {
    margin: 0 0 3em 0;
    padding: 0;
    border: none;
}

legend {
    display: block;
    margin: 2em 0;
    width: 100%;
    border-bottom: #e1e1e1 1px solid;
    color: #b1b1b1;
    font-size: 1.2em;
    line-height: 2.0em;
}

input {
    user-select: text;
}


/* Form Groups
/* ---------------------------------------------------------- */

.form-group {
    position: relative;
    margin-bottom: 1.6em;
    max-width: 500px;
    width: 100%;
}

.form-group p {
    margin: 4px 0 0 0;
    color: #b1b1b1;
    font-size: 1.3rem;
}

.form-group label {
    margin-bottom: 4px;
}

@media (max-width: 550px) {
    .form-group {
        max-width: 100%;
    }
}


/* Input Icons
/* ---------------------------------------------------------- */

.input-icon[class*="icon-"] {
    position: relative;
    display: block;
}

.input-icon[class*="icon-"] input[type="email"],
.input-icon[class*="icon-"] input[type="number"],
.input-icon[class*="icon-"] input[type="password"],
.input-icon[class*="icon-"] input[type="search"],
.input-icon[class*="icon-"] input[type="tel"],
.input-icon[class*="icon-"] input[type="text"],
.input-icon[class*="icon-"] input[type="url"],
.input-icon[class*="icon-"] input[type="date"] {
    padding-left: 3.2rem;
}

.input-icon[class*="icon-"] .gh-select select {
    padding-left: 3.2rem;
}

.input-icon[class*="icon-"]:before {
    position: absolute;
    top: 50%;
    left: 1.1rem;
    z-index: 100;
    font-size: 1.3rem;
    transform: translateY(-52%);
}


/* Inputs
/* ---------------------------------------------------------- */

.gh-input,
.gh-select,
select {
    display: block;
    padding: 8px 10px;
    width: 100%;
    border: 1px solid #e1e1e1;
    border-radius: var(--border-radius);
    color: #666;
    font-size: 1.4rem;
    font-weight: normal;
    user-select: text;
    transition: border-color 0.15s linear;

    -webkit-appearance: none;
}

.gh-input.error,
.gh-select.error,
select.error {
    border-color: var(--red);
}

.gh-input:focus,
.gh-select:focus,
select:focus {
    outline: 0;
    border-color: #b1b1b1;
}

textarea {
    min-width: 250px;
    min-height: 10rem;
    max-width: 500px;
    width: 100%;
    height: auto;
    line-height: 1.5;
    user-select: text;
    resize: vertical;
}


/* Radio / Checkboxes
/* ---------------------------------------------------------- */

.for-radio label,
.for-checkbox label {
    display: block;
    padding-bottom: 4px;
}

.for-radio label p,
.for-checkbox label p {
    color: #000;
    font-weight: normal;
}

.for-radio label:hover input:not(:checked) + .input-toggle-component,
.for-checkbox label:hover input:not(:checked) + .input-toggle-component {
    border-color: #e1e1e1;
}

.for-radio input,
.for-checkbox input {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: -9999px;
}

.for-radio .input-toggle-component,
.for-checkbox .input-toggle-component {
    position: relative;
    top: 1px;
    display: inline-block;
    float: left;
    margin-right: 7px;
    width: 18px;
    height: 18px;
    border: 1px solid #e1e1e1;
    background: #f7f7f3;
}

.for-radio p,
.for-checkbox p {
    color: #b3b2a8;
    white-space: nowrap;
    font-weight: normal;
}

.for-checkbox .input-toggle-component {
    border-radius: var(--border-radius);
}

.for-checkbox .input-toggle-component {
    transition: background 0.15s ease-in-out, border-color 0.15s ease-in-out;
}

.for-checkbox .input-toggle-component:before {
    content: "";
    position: absolute;
    top: 4px;
    left: 3px;
    width: 10px;
    height: 6px;
    border: 2px solid #fff;
    border-top: none;
    border-right: none;
    opacity: 0;
    transition: opacity 0.15s ease-in-out;
    transform: rotate(-45deg);
}

.for-checkbox input:checked + .input-toggle-component {
    border-color: color(var(--green) lightness(-10%));
    background: var(--green);
}

.for-checkbox input:checked + .input-toggle-component:before {
    opacity: 1;
}

.for-radio .input-toggle-component {
    border-radius: 100px;
}

.for-radio .input-toggle-component {
    transition: background 0.15s ease-in-out, border-color 0.15s ease-in-out;
}

.for-radio .input-toggle-component:before {
    content: "";
    position: absolute;
    top: 4px;
    left: 4px;
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 100%;
    opacity: 0;
    transition: opacity 0.15s ease-in-out;
}

.for-radio input:checked + .input-toggle-component {
    border-color: color(var(--green) lightness(-10%));
    background: var(--green);
}

.for-radio input:checked + .input-toggle-component:before {
    opacity: 1;
}


/* Select
/* ---------------------------------------------------------- */

.gh-select {
    position: relative;
    display: block;
    overflow: hidden;
    padding: 0;
    max-width: 100%;
    width: 100%;
    border-width: 0;
}

.gh-select:after {
    content: "\e00f";
    position: absolute;
    top: 50%;
    right: 1.2rem;
    margin-top: -0.5em;
    text-transform: none !important;
    font-family: "ghosticons" !important;
    font-size: 1rem;
    line-height: 1;
    font-weight: normal !important;
    font-style: normal !important;
    font-variant: normal !important;
    pointer-events: none;

    speak: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.gh-select select {
    padding: 8px 10px;
    outline: none;
    background: #fff;
    text-indent: 0.01px;
    text-overflow: "";
    line-height: normal;

    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: window;
}

.gh-select select::-ms-expand {
    display: none;
}

.gh-select select:-moz-focusring {
    color: transparent;
    text-shadow: 0 0 0 #000;
}


/* FFF: Fucking Firefox Fixes
/* ---------------------------------------------------------- */

@-moz-document url-prefix() {
    .gh-select {
        border-width: 1px;
    }
    .gh-select select {
        padding: 7px 10px 7px 8px;
    }
    .gh-select:focus {
        border-color: #b1b1b1;
    }
}