:root{color:#172b3a;background:#f4f6f8;font-family:system-ui,sans-serif;line-height:1.6}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:48rem;margin:auto;padding:1rem}header{border-bottom:1px solid #b8c2ca;justify-content:space-between;display:flex}main{min-height:75vh}a{color:#174d8b;overflow-wrap:anywhere}form{gap:1rem;display:grid}fieldset{border:1px solid #a5b3bf;border-radius:.4rem;min-width:0;padding:1rem}label{margin:.35rem 0;display:block}input,select,button{font:inherit;max-width:100%;min-height:44px}input:not([type=checkbox]):not([type=radio]),select{width:100%;padding:.4rem;display:block}input[type=checkbox],input[type=radio]{vertical-align:middle;min-width:24px}button{cursor:pointer;padding:.5rem 1rem}button:disabled{cursor:default}p[role=alert],.error{color:#9c2020}ul{padding-left:1.25rem}footer{border-top:1px solid #b8c2ca;font-size:.9rem}.birth-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.75rem;display:grid}