JezK
Edit File: button-group.css
.rwmb-button-input-list { --color: var(--wp-admin-theme-color, #3858e9); --radius: 2px; } .rwmb-button-input-list .rwmb-button_group { display: none; } .rwmb-button-input-list label { display: block; border: 1px solid #949494; position: relative; z-index: 1; padding: 0 16px; min-height: 40px; font-size: 13px; font-weight: 500; line-height: calc(38px / 13px); background: #fff; cursor: pointer; box-sizing: border-box; } .rwmb-button-input-list .selected { border-color: var(--color); background: var(--color); color: #fff; z-index: 2; } /* Layout not inline */ .rwmb-button-input-list:not(.rwmb-inline) label:not(:first-child) { border-top-width: 0; } .rwmb-button-input-list:not(.rwmb-inline) .selected:not(:last-child) { border-bottom-color: rgba(255, 255, 255, .25); } .rwmb-button-input-list:not(.rwmb-inline) > label:first-child:not(:last-child) { border-top-left-radius: var(--radius); border-top-right-radius: var(--radius); } .rwmb-button-input-list:not(.rwmb-inline) > label:last-child:not(:first-child) { border-bottom-right-radius: var(--radius); border-bottom-left-radius: var(--radius); } /* Layout inline */ .rwmb-button-input-list.rwmb-inline { display: flex; } .rwmb-button-input-list.rwmb-inline label:not(:first-child) { border-left-width: 0; } .rwmb-button-input-list.rwmb-inline .selected:not(:last-child) { border-right-color: rgba(255, 255, 255, .25); } .rwmb-button-input-list.rwmb-inline > label:first-child:not(:last-child) { border-top-left-radius: var(--radius); border-bottom-left-radius: var(--radius); } .rwmb-button-input-list.rwmb-inline > label:last-child:not(:first-child) { border-top-right-radius: var(--radius); border-bottom-right-radius: var(--radius); }