.a-button{font-family:Roboto,sans-serif;min-height:2.572em;padding:4px 16px}.a-button.toolbar{min-height:12px;min-width:12px;padding:0}.a-button.dense{min-height:2em;padding:.285em}.a-button.rounded-full{min-height:2.4em;min-width:2.4em;padding:0}.a-button .focus-helper{background-color:currentColor;opacity:0}.a-button:not(.disabled):hover>.focus-helper{opacity:.2}.a-button.disabled{cursor:not-allowed;opacity:.7!important}