CSSだけで出来るボタンのホバーエフェクト集

javascriptは使わずにCSSとHTMLだけで装飾できるボタンのホバーエフェクトをご紹介します。
コピペですぐ実装できるので、このページをブックマークしておくと便利です。

薄くなるボタン

HTML

<div class="btn01">ボタン01</div>

CSS

.btn01 {
  display: inline-block;
  padding: 0.6em 2em;
  margin: 0 0 1em;
  background-color: #03c6b9;
  color: #fff;
  cursor: pointer;
  border-radius: 24px;
  transition: 0.3s ease-in-out;
  -webkit-transition: 0.3s ease-in-out;
}
.btn01:hover {
  opacity: 0.6;
}

色が変化するボタン

HTML

<div class="btn02">ボタン02</div>

CSS

.btn02 {
  display: inline-block;
  padding: 0.6em 2em;
  margin: 0 0 1em;
  background: #fff;
  border: 0.1875em solid #03c6b9;
  color: #03c6b9;
  cursor: pointer;
  border-radius: 24px;
  transition: 0.3s ease-in-out;
  -webkit-transition: 0.3s ease-in-out;
}
.btn02:hover {
  background: #03c6b9;
  color: #fff;
}

押した感じのボタン

HTML

<div class="btn03">ボタン03</div>

CSS

.btn03 {
  border-bottom: 7px solid #006c65;
  background-color: #03c6b9;
  color: #fff;
  display: inline-block;
  padding: 0.6em 2em;
  margin: 0;
  cursor: pointer;
  border-radius: 24px;
  transition: 0.3s ease-in-out;
  -webkit-transition: 0.3s ease-in-out;
}
.btn03:hover {
  border-bottom: 0px solid #006c65;
  margin-top: 7px;
}

フワッと浮き上がるボタン

HTML

<div class="btn04">ボタン04</div>

CSS

.btn04 {
  box-shadow: 0 0 3px 0 rgba(0, 0, 0, 0.25);
  background-color: #03c6b9;
  color: #fff;
  display: inline-block;
  padding: 0.6em 2em;
  margin: 0 0 1em;
  cursor: pointer;
  border-radius: 24px;
  transition: 0.3s ease-in-out;
  -webkit-transition: 0.3s ease-in-out;
}
.btn04:hover {
  box-shadow: 0 9px 8px -4px rgba(0, 0, 0, 0.25);
  transform: translateY(-7px);
  -webkit-transform: translateY(-7px);
}

背景に指定した画像が縮小するボタン

HTML

<div class="btn05">
  <span><p>ボタン05</p></span>
</div>

CSS

.btn05 {
  position: relative;
  width: 60%;
  height: 300px;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: 0 33px 31px -28px rgba(0,0,0,.3);
  font-size: 40px;
  font-weight: 800;
  text-align: center;
  color: #fff;
  cursor: pointer;
}
.btn05 span {
  width: 100%;
  height: 100%;
  display: block;
  background: url(https://hajimete.org/wp-content/uploads/2019/12/top.jpg);
  background-position: center;
  background-size: cover;
  transition: .3s ease-in-out;
  -webkit-transition: .3s ease-in-out;
  transform: scale(1.1);
  -webkit-transform: scale(1.1);
}
.btn05 span:hover {
  transform: scale(1);
  -webkit-transform: scale(1);
}
.btn05 span p {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  width: 100%;
  margin: 0;
}

背景に指定した画像が拡大するボタン

HTML

<div class="btn06">
  <span><p>ボタン06</p></span>
</div>

CSS

.btn06 {
  position: relative;
  width: 60%;
  height: 300px;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: 0 33px 31px -28px rgba(0,0,0,.3);
  font-size: 40px;
  font-weight: 800;
  text-align: center;
  color: #fff;
  cursor: pointer;
}
.btn06 span {
  width: 100%;
  height: 100%;
  display: block;
  background: url(https://hajimete.org/wp-content/uploads/2019/12/top.jpg);
  background-position: center;
  background-size: cover;
  transition: .3s ease-in-out;
  -webkit-transition: .3s ease-in-out;
  transform: scale(1);
  -webkit-transform: scale(1);
}
.btn06 span:hover {
  transform: scale(1.1);
  -webkit-transform: scale(1.1);
}
.btn06 span p {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  width: 100%;
  margin: 0;
}

怖いボタン

HTML

<div class="btn07">
  <span><p>ボタン07</p></span>
</div>

CSS

.btn07 {
  position: relative;
  width: 60%;
  height: 300px;
  overflow: hidden;
  border-radius: 24px;
  background: #03c6b9;
  box-shadow: 0 33px 31px -28px rgba(0,0,0,.3);
  font-size: 40px;
  font-weight: 800;
  text-align: center;
  color: #000;
  cursor: pointer;
}
.btn07 span {
  width: 100%;
  height: 100%;
  display: block;
  background: url(https://hajimete.org/wp-content/uploads/2019/06/te.png);
  background-position: center;
  background-size: auto 100%;
  background-repeat: no-repeat;
  transition: .3s ease-in-out;
  -webkit-transition: .3s ease-in-out;
  transform: translateY(100%);
  -webkit-transform: translateY(100%);
}
.btn07:hover span {
  transform: translateY(8px);
  -webkit-transform: translateY(8px);
}
.btn07 span p {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  width: 100%;
  margin: 0;
}