.alertbar{display:flex;justify-content:space-between;flex-wrap:wrap;}
.alertbar__content,
.alertbar__button{flex:0 1 auto;align-self:center;}
.alertbar__content{flex:100;padding-right:30px;}

@media( max-width: 600px ){
  .alertbar{display:block !important;text-align:center;}
  .alertbar__content{padding-right:0px;}
}