.submit-form {
    width: 50%;
    margin: 0 auto;
    display: block;
}
@media screen and (min-width: 60rem) {
    .submit-form {
        width: 30%;
    }
}
/* spjallbox */
#check {
    display: none;
}
.chatbox label {
    display: block;
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    width: 2rem;
    height: 2rem;
    background-color: var(--pico-background-color);
    border: 1px solid var(--pico-primary);
    border-radius: 50%;
    cursor: pointer;
    z-index: 9;
    text-align: center;
    padding-top: .2rem;
}
.chatbox label:hover,
.chatbox label:focus {
    background-color: var(--pico-primary);
}
.chat-content {
    position: fixed;
    right: -22rem;
    bottom: 4rem;
    width: 20rem;
    height: 26rem;
    border: 1px solid #ccc;
    padding: 1rem;
    background-color: var(--pico-background-color);
    border-radius: .4rem;
    transition: right 0.3s ease-in-out;
    z-index: 12;
}
#check:checked ~ .chat-content {
    right: 1rem;
    transition: right 0.3s ease-in-out;
}
footer {
    background-color: var(--pico-background-color);
}