:root{--color-lightest: #fff4e6;--color-light: #ffe8cc;--color-medium: #ffa94d;--color-dark: #ff922b}*{margin:0;padding:0;box-sizing:border-box}html{font-size:62.5%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}body{height:100vh;color:#495057;display:flex;align-items:center;justify-content:center}.app{min-height:66vh;display:grid;grid-template-columns:34rem 44rem;column-gap:4rem;align-items:start}.button{background-color:var(--color-medium);color:#343a40;padding:.8rem 1.2rem;border:none;border-radius:7px;font-weight:700;cursor:pointer;transition:.3s}.button:hover{background-color:var(--color-dark)}.sidebar ul{list-style:none;display:flex;flex-direction:column;gap:.4rem;font-size:1.4rem;margin-bottom:2rem}.sidebar li{display:grid;grid-template-columns:4.8rem 1fr auto;align-items:center;column-gap:1.6rem;padding:1.2rem;border-radius:7px;transition:.5s}.selected,.sidebar li:hover{background-color:var(--color-lightest)}.sidebar li img{border-radius:50%;width:100%;grid-row:span 2}.sidebar li h3{grid-row:1;grid-column:2}.sidebar li p{grid-row:2;grid-column:2}.sidebar li .button{grid-row:span 2;grid-column:3}.sidebar>.button{float:right;margin-right:1.2rem}.green{color:#66a80f}.red{color:#e03131}form{font-size:1.6rem;display:grid;align-items:center;gap:1.2rem;background-color:var(--color-lightest);border-radius:7px}.form-add-friend{grid-template-columns:1fr 1.5fr;margin-bottom:1.6rem;padding:1.2rem}.form-split-bill{grid-template-columns:1fr 12rem;padding:3.2rem 4rem}label{font-weight:500}label:first-letter{display:inline-block;margin-right:4px;font-size:1.8rem}input,select{font-family:inherit;color:inherit;font-size:1.5rem;padding:.7rem;text-align:center;border:1px solid var(--color-light);border-radius:4px;transition:.3s}input:focus,select:focus{outline:none;border:1px solid var(--color-dark)}form .button{margin-top:.6rem;grid-column:2}form h2{grid-column:1 / -1;font-size:2.2rem;text-transform:uppercase;letter-spacing:-.5px;margin-bottom:1.6rem}.friend-name{font-size:1.4rem;font-weight:700}