さまざまなデザインのボタンを最小限のHTMLで実装する、HTML5とCSS3のテクニックのまとめ.alpha .btn{display:inline-block;margin:6px;font-size:inherit;line-height:1.42;padding:0.8em 1.6em;font-weight:normal;border-width:0;border-style:solid;background:transparent;border-radius:0.2666666667em;cursor:pointer;font-family:"Booster Next FY", "Avenir Next", Avenir, sans-serif;user-select:none;vertical-align:bottom;transition:box-shadow 0.2s, transform 0.2s, color 0.2s} .alpha .btn:hover{box
