107 lines
2.2 KiB
CSS
107 lines
2.2 KiB
CSS
*{
|
|
/* 初始化 */
|
|
margin: 0;
|
|
padding: 0;
|
|
}
|
|
body{
|
|
/* 100%窗口高度 */
|
|
height: 100vh;
|
|
background-color: #333;
|
|
}
|
|
.container{
|
|
width: 15px;
|
|
height: 600px;
|
|
/* 绝对固定定位 */
|
|
position: fixed;
|
|
left: 0;
|
|
/* 垂直居中 */
|
|
top: 50%;
|
|
transform: translateY(-50%);
|
|
background-color: #222;
|
|
/* 右上右下圆角 */
|
|
border-radius: 0 15px 15px 0;
|
|
overflow: hidden;
|
|
/* 动画过渡 */
|
|
transition: 0.3s;
|
|
}
|
|
.container:hover{
|
|
/* 鼠标移入，展开+改变圆角大小 */
|
|
width: 130px;
|
|
border-radius: 0 30px 30px 0;
|
|
}
|
|
.container:hover li a{
|
|
/* 鼠标移入，改变字体颜色 */
|
|
color: #fff;
|
|
}
|
|
.container::before{
|
|
content: "";
|
|
width: 50%;
|
|
height: 100%;
|
|
position: absolute;
|
|
top: 0;
|
|
left: 0;
|
|
z-index: -1;
|
|
background-color: lightseagreen;
|
|
}
|
|
.container .top{
|
|
width: calc(100% - 30px);
|
|
margin-left: 30px;
|
|
height: 20%;
|
|
background-color: #222;
|
|
border-radius: 0 0 0 20px;
|
|
/* 动画过渡 */
|
|
transition: 0.2s;
|
|
}
|
|
.container .middle{
|
|
width: calc(100% - 60px);
|
|
height: 10%;
|
|
background-color: lightseagreen;
|
|
margin-left: 40px;
|
|
border-radius: 20px;
|
|
}
|
|
.container .bottom{
|
|
width: calc(100% - 30px);
|
|
height: 100%;
|
|
margin-left: 30px;
|
|
background-color: #222;
|
|
border-radius: 20px 0 0 0;
|
|
}
|
|
.container li{
|
|
/* 绝对定位 */
|
|
position: absolute;
|
|
/* 通过var函数调用自定义属性--t */
|
|
top: var(--t);
|
|
width: 100%;
|
|
height: 10%;
|
|
font-size: 30px;
|
|
/* 弹性布局 水平垂直居中 */
|
|
display: flex;
|
|
justify-content: center;
|
|
align-items: center;
|
|
}
|
|
.container li a{
|
|
/* 字体颜色透明 */
|
|
color: transparent;
|
|
/* 动画过渡 */
|
|
transition: 0.3s;
|
|
}
|
|
/* 分别为每一个li元素设置.top的高度 */
|
|
/* ~是兄弟选择器 */
|
|
.container li:nth-child(1):hover ~ .top{
|
|
height: 20%;
|
|
}
|
|
.container li:nth-child(2):hover ~ .top{
|
|
height: 30%;
|
|
}
|
|
.container li:nth-child(3):hover ~ .top{
|
|
height: 40%;
|
|
}
|
|
.container li:nth-child(4):hover ~ .top{
|
|
height: 50%;
|
|
}
|
|
.container li:nth-child(5):hover ~ .top{
|
|
height: 60%;
|
|
}
|
|
.container li:nth-child(6):hover ~ .top{
|
|
height: 70%;
|
|
} |