.alert-success{color:#333;background-color:white;border-left:#28a745 15px solid;}.alert-warning{color:#333;background-color:white;border-left:#ff8800 15px solid;}.alert-danger{color:#333;background-color:white;border-left:#cc0000 15px solid;}.alert-dismissible .btn-close{opacity:0.6;}
nav.tabs{margin-bottom:1rem;}