.header {
    background: url('../img/contacts-image/bg.png') no-repeat center top / cover;
}

.header__wrapper {
    text-align: center;
}

.forms {
    border: 1px solid #fff;
}

.forms input {
    color: #fff;
    background-color: transparent;
    border-bottom: 1px solid #fff;
}

.forms__button {
    color: #fff;
    border: 1px solid #fff;
}

.forms__button:hover {
    color: #000;
    background-color: #fff;
}

.box-reg .forms {
    border: 1px solid #000;
}

.box-reg .forms input {
    color: #000;
    border-bottom: 1px solid #000;
}

.box-reg .forms__button {
    color: #000;
    border: 1px solid #000;
}

.box-reg .forms__button:hover {
    color: #fff;
    background-color: #000;
}