.captcha{
    display: flex;
    flex-wrap: nowrap;
    align-items: flex-start;
    gap: 1em;
    margin-top: 0.5em;
}
.captcha div{
    text-align: center;
}
.captcha a{
    display: inline-block;
    width: 2em;
    height: 1.5em;
    padding: 0.25em 0 0 0.5em;
    background: var(--principal);
    border-radius: 5px;
}
.captcha a:hover{
    background: var(--principal_hover);
}
.captcha a img{
    display: block;
    width: 1em;
    height: 1em;
}