alert1 2๏ธโฃ ๋ถํธ ์คํธ๋ฉ (BootStrap) - Alert basic component:alert ๊ธฐ๋ณธ์ ์ธ ์ฌ์ฉ ์ alert-primary alert-secondary alert-success alert-danger alert-warning alert-info alert-light alert-dark 2021. 2. 26. ์ด์ 1 ๋ค์
