* {
    font-family: 'Fira Code', monospace;
    margin: 0;
    padding: 0;
}

body {
    text-align: center;
    align-items: center;
}

.logo a {
    color: black;
    text-decoration: none;
}

.logo a:hover {
    opacity: 0.75;
}

h1 {
    margin: 0.25em;
    margin-top: 1em;
}

h2 {
    margin: 0.5em;
}

.gray {
    color: gray;
    font-size: 0.75em;
}

.parent {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 68em;
    width: 100%;
    margin: auto;
}

.child {
    flex: 0 0 12em;
    margin: 1em 0;
}

.button {
    width: fit-content;
    cursor: pointer;
    margin: auto;
}

.button .fa-solid {
    display: block;
    font-size: 3.5em;
    margin-bottom: 0.25em;
}

.textbox {
    width: 12em;
    padding: 8px 10px;
    border: 0;
    border-bottom: 1px solid #969da3;
    color: #333;
    font-size: 0.75em;
    line-height: 1.5;
    position: relative;
    margin: 1em 1em 1em 0;
}

.textbox::placeholder {
    color: #999;
}

.textbox:focus {
    outline: none;
}

.textbox::after {
    display: block;
    content: '';
    width: 100%;
    height: 1px;
    position: absolute;
    left: 0;
    bottom: 0;
    background: #000000;
    transform: scale(0, 1);
    transform-origin: center top;
    transition: 0.3s
}

.textbox:focus::after {
    transform: scale(1, 1);
}

.block {
    display: block;
}

.form-right-button {
    color: gray;
    position: absolute;
    margin-top: 1em;
    right: 2.5em;
    cursor: pointer;
}

.form-error {
    display: block;
    color: red;
}