.custom_btn.theme_under_btn a{color:#000;display:inline-block;font-size:16px;font-weight:700;position:relative;text-decoration:none}.custom_btn.theme_under_btn a:before{background:#f39a1e;background:linear-gradient(to top left,#f35e1e,#f39a1e);bottom:-3px;content:"";height:2px;position:absolute;transform:scaleX(1);transform-origin:bottom left;transition:transform .25s ease-out;width:100%}.custom_btn.theme_under_btn a:hover:before{transform:scaleX(0);transform-origin:bottom right}.custom_btn.theme_bg_btn a{display:inline-block;padding:8px 30px;text-decoration:none}