.cs-button-solid {
    text-align: center;
    font-size: 1rem;
    /* 46px - 56px */
    line-height: clamp(2.875rem, 5.5vw, 3.5rem);
    width: 11.25rem;
    text-decoration: none;
    font-weight: 700;
    margin: 0 0 1rem 0;
    color: #fff;
    padding: 0;
    border-radius: 20px;
    background-color: var(--primaryColorDark);
    display: inline-block;
    position: relative;
    z-index: 1;
}
.cs-button-solid:before {
    content: "";
    position: absolute;
    display: block;
    height: 100%;
    width: 0%;
    border-radius: 20px;
    background: var(--bodyTextColor);
    opacity: 1;
    top: 0;
    left: 0;
    z-index: -1;
    transition: width 0.3s;
}
.cs-button-solid:hover:before {
    width: 100%;
}
.cs-button-transparent {
    font-size: 1rem;
    /* 46px - 56px */
    line-height: clamp(2.875rem, 5.5vw, 3.5rem);
    width: 11.25rem;
    /* 46px - 56px */
    height: clamp(2.875rem, 5.5vw, 3.5rem);
    text-decoration: none;
    font-weight: 700;
    margin: 0;
    color: #fff;
    padding: 0;
    background-color: transparent;
    border: 1px solid var(--bodyTextColorWhite);
    box-sizing: border-box;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}
.cs-button-transparent:before {
    content: "";
    position: absolute;
    display: block;
    background: #000;
    opacity: 1;
    /* so it sits on top of the border */
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    z-index: -1;
    transform-origin: left;
    /* this is what creates the grow affect on hover */
    transform: scaleX(0);
    transition: transform 0.3s;
}
.cs-button-transparent:hover:before {
    transform: scaleX(1);
}
.cs-button-transparent .cs-img {
    display: block;
    margin-right: 0.75rem;
}