a.button,
button.button,
.wpcf7-submit {
    transition: 0.2s ease all;
    margin-right: 10px;
    margin-bottom: 10px;
    position: relative;
    text-decoration: none;
}
a.button.primary,
button.button.primary,
.wpcf7-submit {
    background: var(--black);
    border: 1px solid var(--black);
    color: var(--white);
    padding: 15px 30px;
    display: inline-block;
    font-size: 18px;
    font-weight: 500;
}
a.button.primary:hover,
button.button.primary:hover,
.wpcf7-submit:hover {
    background: var(--grey);
    border: 1px solid var(--grey);
}
a.button.secondary,
button.button.secondary {
    background: transparent;
    border: 1px solid var(--black);
    color: var(--black);
    padding: 15px 30px;
    display: inline-block;
    font-size: 18px;
    font-weight: 500;
}
a.button.secondary:hover,
button.button.secondary:hover {
    border: 1px solid var(--grey);
    color: var(--grey);
}
a.button.tertiary,
button.button.tertiary {
    background: transparent;
    color: var(--black);
    display: inline-block;
    font-size: 18px;
    font-weight: 500;
    padding-right: 30px;
}
a.button.tertiary:after,
button.button.tertiary:after {
    content: '\2192';
    position: absolute;
    right: 0px;
}
a.button.tertiary:hover,
button.button.tertiary:hover {
    color: var(--grey);
}

/* Colour Backgrounds */
.black_background a.button.primary,
.black_background button.button.primary,
.black_background .wpcf7-submit {
    background: var(--white);
    border: 1px solid var(--white);
    color: var(--black);
}
.black_background a.button.primary:hover,
.black_background button.button.primary:hover,
.black_background .wpcf7-submit:hover {
    background: var(--grey);
    border: 1px solid var(--grey);
    color: var(--white);
}
.black_background a.button.secondary,
.black_background button.button.secondary {
    border: 1px solid var(--white);
    color: var(--white);
}
.black_background a.button.secondary:hover,
.black_background button.button.secondary:hover {
    border: 1px solid var(--grey);
    color: var(--grey);
}
.black_background a.button.tertiary,
.black_background button.button.secondary {
    color: var(--white);
}
.black_background a.button.tertiary:hover,
.black_background button.button.tertiary:hover {
    color: var(--grey);
}
.grey_background a.button.primary:hover,
.grey_background button.button.primary:hover {
    background: var(--white);
    border: 1px solid var(--white);
    color: var(--black);
}
.grey_background a.button.secondary:hover,
.grey_background button.button.secondary:hover {
    border: 1px solid var(--black);
    color: var(--black);
}
.grey_background a.button.tertiary,
.grey_background button.button.secondary {
    color: var(--white);
}
.grey_background a.button.tertiary:hover,
.grey_background button.button.tertiary:hover {
    color: var(--black);
}