.nickname-form {
    max-width: 400px;
    margin-bottom: 1em;
    display:flex;
    justify-self:center;
    justify-content: center;
}
.nickname-form input {
    width: calc(50% - 0.5em);
    padding: 0.5em;
    margin-right: 0.5em;
}
.nickname-form button {
    padding: 0.5em 1em;
}
.nickname-result {
    text-align:center;
    justify-self: center;
    margin-top:50px;
}

#nickname-result p{
    margin:0;
}

#nickname{
    font-size: 1.2em;
    font-weight:bold;
}