.u-alert{background-color:#f0f0f0;border:1px solid #ccc;border-radius:.5rem;color:#333;font-size:.875rem;padding:1rem}.u-alert.error{background-color:#ffe3e3;border-color:#ffb3b3;color:red}.u-alert.warning{background-color:#fef9ec;border-color:#f2bb2e;color:#c38c02}.u-alert>button{align-items:center;display:flex;flex-shrink:0;height:1.5rem;justify-content:center;width:1.5rem}