.alert-banner{position:relative;padding-top:1rem;padding-bottom:1rem;border-bottom:1px solid var(--color-mu-grey-blue)}.alert-banner:before{content:"";position:absolute;left:0;top:0;width:.5rem;height:100%}@media (min-width:26.25em){.alert-banner:before{width:.75rem}}@media (min-width:64em){.alert-banner:before{width:1.5rem}}.alert-banner--emergency:before{background:var(--color-mu-red)}.alert-banner--warning:before{background:var(--color-mu-gold)}.alert-banner--info:before{background:var(--color-mu-light-blue)}.alert-banner__content-wrapper{position:relative}.alert-banner__content{font-size:1rem;line-height:1.25;grid-column:1/-1;padding-right:1.75rem;-webkit-padding-after:.25rem;padding-block-end:.25rem}@media (min-width:48em){.alert-banner__content{line-height:1.33;grid-column:1/-2;padding-right:0}}@media (min-width:75em){.alert-banner__content{grid-column:2/-2;font-size:1.125rem}}@media (min-width:90em){.alert-banner__content{grid-column:1/-3}}.alert-banner__content p{margin-bottom:0}.alert-banner__heading{margin-right:.5rem;font:inherit;font-weight:500}.alert-banner__dismiss{background:none;border:none;position:absolute;top:-.1875rem;right:0;padding:0 .3125rem .3125rem}.alert-banner__dismiss:hover{color:var(--color-mu-blue)}.alert-banner__dismiss-icon{width:.75rem}