.st-impresspro__menu {
    display: block;
    overflow: hidden;
    transition: height .2s ease-in-out;
}

.st-impresspro__button {
    display: none;
}

@media screen and (max-width: 576px){
    .st-impresspro__menu {
        height: 0;
    }
    .st-impresspro__menu.show {
        display: block;
    }
    .st-impresspro__button {
        display: block;
    }
}