Change Carousel Arrows to Gallery Slideshow Arrow

If you want to change this arrow carousel style

to this arrow slideshow style

You can use this CSS code to Custom CSS box.

button.user-items-list-carousel__arrow-button--left:before {
    content: "\E02C";
    font-family: 'squarespace-ui-font';
    color: #593c20 !important;
    font-weight: 600 !important;
    speak: none;
    font-weight: normal;
    font-size: 1.8rem;
    -webkit-font-smoothing: antialiased;
    text-align: center;
    display: inline-block;
    vertical-align: middle;
    z-index: 999 !important
}
button.user-items-list-carousel__arrow-button--right:before {
    content: "\E02D";
    font-family: 'squarespace-ui-font';
    color: #593c20 !important;
    font-weight: 600 !important;
    speak: none;
    font-weight: normal;
    font-size: 1.8rem;
    -webkit-font-smoothing: antialiased;
    text-align: center;
    display: inline-block;
    vertical-align: middle;
    z-index: 999 !important
}
.user-items-list-carousel__arrow-icon-background.user-items-list-carousel__arrow-icon-background-area {
    display: none !important
}
button.user-items-list-carousel__arrow-button svg {
    display: none;
}