<style>.alert{padding:20px;background-color:#f44336;color:#fff;opacity:1;transition:opacity 0.6s;margin-bottom:15px}.alert.success{background-color:#04AA6D}.alert.info{background-color:#00adff8c}.alert.warning{background-color:#bf3636;color:#fff;text-align:center}.closebtn{margin-left:15px;color:#fff;font-weight:700;float:right;font-size:22px;line-height:20px;cursor:pointer;transition:0.3s}.closebtn:hover{color:#000}</style>