連結(a)
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a:link{
/*設定尚未點擊的連結*/
}
a:visited{
/*設定已經點擊過後的連結*/
}
a:hover{
/*設定游標移入時的連結*/
}
a:active{
/*設定游標點擊時的連結*/
}
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logo連結(隱藏h1)
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<h1>
<a href="#">公司名稱</a>
</h1>
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h1{
float: left;
}
h1 a{
display: block; /*a預設是inline*/
width: 圖片寬度;
height: 圖片高度;
background-image: url("連結網址");
text-indent: 101%; /*讓文字超出範圍*/
overflow: hidden; /*超出範圍隱藏*/
white-space: nowrap; /*強制讓文字不換行*/
background: contain; /*若是svg圖則加*/
}
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圖片(img)
- 在
<img>
上設定float
,文字會圍繞在旁邊
- 浮動的
<img>
可用padding/margin
調整
- 若要取消浮動
clear:both
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img{
width: auto; /*(預設值)*/
width: 50px; /*設定寬度*/
width: 100%; /*占滿父層元素*/
height: auto; /*(預設值)*/
height: 30px; /*設定高度*/
height: 100vh; /*裝置螢幕高度滿版*/
max-width: 200px; /*設定最大寬度*/
max-height: 100px; /*設定最大高度*/
min-width: 50px; /*設定最小寬度*/
min-height: 30px; /*設定最小高度*/
float: none; /*不浮動(預設值)*/
float: left; /*向左上浮動位置*/
float: right; /*向右上浮動位置*/
clear: none; /*不清除浮動(預設值)*/
clear: left; /*左浮動取消*/
clear: right; /*右浮動取消*/
clear: both; /*左右都取消*/
object-fit: contain; /*保持原本寬高比在容器內*/
object-fit: cover; /*保持寬高比填滿容器*/
object-fit: fill; /*變形填滿容器*/
object-fit: none; /*保持原本寬高不被縮放*/
}
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自適應圖片
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img{
max-width: 100%;
height: auto;
}
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填滿上層容器
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img{
width: 100%;
height: 100%;
object-fit: cover;
}
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background-image填滿上層容器
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.box{
height: 100vh;
overflow: hidden;
background-image: url("https://i.imgur.com/1ZEML4s.png");
background-size: cover;
background-position: center center;
}
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固定比例
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.img-rwd{
position: relative;
width: 100%;
height: 0;
padding-bottom: 56.25%;
overflow: hidden;
img{
max-width: 100%;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
}
}
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清單(list)
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li{
list-style-type: disc; /*黑圓點(預設值)*/
list-style-type: circle; /*黑圓圈*/
list-style-type: square; /*黑方塊*/
list-style-type: decimal; /*數列+點*/
list-style-type: decimal-leading-zero; /*0+數列+點*/
list-style-type: lower-roman; /*小寫羅馬文*/
list-style-type: upper-roman; /*大寫羅馬文*/
list-style-type: lower-greek; /*大寫希臘文*/
list-style-type: lower-latin; /*小寫拉丁文*/
list-style-type: upper-latin; /*大寫拉丁文*/
list-style-type: armenian; /*亞美尼亞語*/
list-style-type: "\1F44D"; /*符號*/
list-style-type: none; /*不顯示*/
list-style-image: none; /*(預設值)*/
list-style-image: url("連結網址"); /*崁入清單樣式*/
list-style-position: outside; /*圖樣在border外(預設值)*/
list-style-position: inside; /*圖樣在border內*/
list-style: list-style-type|list-style-image|list-style-position|;
}
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使用UTF-8字符取代清單樣式
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li{
list-style: none;
&::before{
display: inline-block;
content: "⇦";
}
}
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::before在元素之前、::after在元素之後
表格(table)
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table{
border-collapse: separate; /*分開(雙線條)(預設值)*/
border-collapse: collapse; /*合併(單線條)*/
border-spacing: 20px; /*調整separate雙線條的間距*/
empty-cells: show; /*表格空欄位顯示(預設值)*/
empty-cells: hide; /*表格空欄位隱藏*/
table-layout: auto; /*表格固定隨內容改變(預設值)*/
table-layout: fixed; /*表格寬度固定,隨width而改變*/
}
caption{
caption-side: top; /*表格描述位置在表格上(預設值)*/
caption-side: bottom; /*表格描述位置在表格下*/
}
td{
visibility: collapse;
}
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button{
cursor: default; /*預設游標(預設值)*/
cursor: crosshair; /*十字*/
cursor: context-menu; /*預設游標+menu*/
cursor: text; /*文字輸入*/
cursor: vertical-text; /*(垂直)文字輸入*/
cursor: wait; /*等待*/
cursor: pointer; /*點擊手指*/
cursor: progress; /*預設游標+等待*/
cursor: cell; /*新增(+)*/
cursor: help; /*幫助(?)*/
cursor: move; /*方向*/
cursor: grab; /*手掌*/
cursor: grabbing; /*抓住手掌*/
cursor: no-drop; /*禁止手指*/
cursor: not-allowed; /*禁止點擊*/
cursor: all-scroll; /*全部滾動*/
cursor: col-resize; /*左右拖拉縮放*/
cursor: all-scroll; /*上下拖拉縮放*/
cursor: zoom-in; /*放大鏡(+)*/
cursor: zoom-out; /*放大鏡(-)*/
cursor: n-resize; /*指北箭頭*/
cursor: nw-resize; /*指西北箭頭*/
cursor: w-resize; /*指西箭頭*/
cursor: sw-resize; /*指西南箭頭*/
cursor: s-resize; /*指南箭頭*/
cursor: se-resize; /*指東南箭頭*/
cursor: e-resize; /*指東箭頭*/
cursor: ne-resize; /*指東北箭頭*/
cursor: ew-resize; /*指東西箭頭*/
cursor: ns-resize; /*指南北箭頭*/
cursor: nesw-resize; /*指東北和西南箭頭*/
cursor: nwse-resize; /*指西北和東南箭頭*/
cursor: none; /*不顯示*/
pointer-events: none; /*避免空選*/
}
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搭配::hover來增加效果
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input{
outline-style: solid; /*實線*/
outline-style: dashed; /*長虛線*/
outline-style: dotted; /*短虛線*/
outline-style: double; /*雙實線*/
outline-style: inset; /*3D凹*/
outline-style: outset; /*3D凸*/
outline-width: 5px; /*線條寬度*/
outline-width: thin; /*薄*/
outline-width: medium; /*中*/
outline-width: thick; /*厚*/
outline-color: red; /*顏色名稱*/
outline-color: #333333; /*色票*/
outline-color: rgba(3,3,3,0); /*最後的值調整透明度*/
outline: solid 1px red; /*四邊框線樣式/框線寬度/框線顏色*/
outline-offset: 5px; /*偏移border距離*/
}
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搭配::focus來增加效果
複選框(checkbox)
區塊(block)
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.box{
user-select: auto; /*可以框選*/
user-select: none; /*不可框選*/
overflow: visible; /*讓內容超出範圍(預設值)*/
overflow: hidden; /*讓內容超出範圍就隱藏*/
overflow: scroll; /*在超出的內容加上捲軸*/
overflow: auto; /*在超出的內容的軸向加上捲軸*/
overflow-x: hidden; /*X軸向捲軸隱藏*/
overflow-x: scroll; /*X軸向出現捲軸*/
overflow-y: hidden; /*Y軸向捲軸隱藏*/
overflow-y: scroll; /*Y軸向出現捲軸*/
resize: none; /*不增加窗角*/
resize: both; /*可任意拉動*/
resize: horizontal; /*可水平拉動*/
resize: vertical; /*水垂直拉動*/
visibility: visible; /*正常顯示*/
visibility: hidden; /*隱藏(區塊保留)*/
visibility: collapse; /*不顯示*/
}
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對齊(align)
- 限用同行的
display:inline/inline-block
元素<div><span><img>
- 同行的元素都要加上
vertical-align
才會對齊
- 不適用
position:relative/absolute
元素
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.box{
vertical-align: baseline; /*預設值*/
vertical-align: top; /*切齊上方*/
vertical-align: middle; /*切齊中線*/
vertical-align: bottom; /*切齊下方*/
vertical-align: text-top; /*偏移中線上方*/
vertical-align: text-bottom; /*偏移中線下方*/
vertical-align: 30px; /*偏移中線30px*/
vertical-align: sub; /*偏移向下*/
vertical-align: super; /*偏移向上*/
}
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div內的文字置中
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.box{
text-align: center;
line-height: 設跟height值一樣;
}
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元素水平置中
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.box{
margin: 0 auto;
}
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元素垂直水平置中
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ul{
position: relative;
}
ul li{
position: absolute;
left: 50%;
top: 50%;
transform: ranslate(-50%,-50%);
}
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文字或元素垂直水平置中
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ul{
display: flex;
}
ul li{
justify-content: center;
align-items: center;
}
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濾鏡(filter)
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.box{
filter: grayscale(0~100%); /*灰階*/
filter: sepia(0~100%); /*棕褐色*/
filter: saturate(0~100%); /*飽和*/
filter: hue-rotate(0deg~360deg); /*色相環*/
filter: invert(0/1); /*負片效果*/
filter: opacity(0.0/1.0); /*透明度*/
filter: brightness(100%); /*亮度,小於100%減少亮度,大於100%曝光*/
filter: contrast(0%); /*對比,小於100%明暗越小,大於100%明暗越大*/
filter: blur(0px); /*模糊,值越大模糊越大*/
filter: drop-shadow(0px 0px 0px #333333); /*下拉陰影*/
}
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背景濾鏡(backdrop-filter)
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.box{
backdrop-filter: grayscale(0~100%); /*灰階*/
backdrop-filter: sepia(0~100%); /*棕褐色*/
backdrop-filter: saturate(0~100%); /*飽和*/
backdrop-filter: hue-rotate(0deg~360deg); /*色相環*/
backdrop-filter: invert(0/1); /*負片效果*/
backdrop-filter: opacity(0.0/1.0); /*透明度*/
backdrop-filter: brightness(100%); /*亮度,小於100%減少亮度,大於100%曝光*/
backdrop-filter: contrast(0%); /*對比,小於100%明暗越小,大於100%明暗越大*/
backdrop-filter: blur(0px); /*模糊,值越大模糊越大*/
backdrop-filter: drop-shadow(0px 0px 0px #333333); /*下拉陰影*/
}
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圖層混合(mix-blend-mode)
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.box{
mix-blend-mode: normal; /*預設值*/
mix-blend-mode: hue; /*色相*/
mix-blend-mode: saturation; /*飽和度*/
mix-blend-mode: color; /*顏色*/
mix-blend-mode: luminosity; /*明度*/
mix-blend-mode: multiply; /*色彩增值*/
mix-blend-mode: screen; /*濾色*/
mix-blend-mode: overlay; /*覆蓋*/
mix-blend-mode: darken; /*變暗*/
mix-blend-mode: lighten; /*變亮*/
mix-blend-mode: color-dodge; /*加亮顏色*/
mix-blend-mode: color-burn; /*加深顏色*/
mix-blend-mode: hard-light; /*實光*/
mix-blend-mode: soft-light; /*柔光*/
mix-blend-mode: difference; /*差異化*/
mix-blend-mode: exclusion; /*排除*/
}
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<div class="box">lorem ipsum, dolor sit amet consectetur adipisicing elit. Est soluta ipsam quaerat consectetur, aut autem architecto dignissimos nesciunt eius minus odit et tenetur dolorum magnam pariatur atque voluptatem, vel vitae?</div>
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.box{
width: 300px;
height: 300px;
border: solid 1px #cccccc;
overflow-x: hidden;
overflow-y: auto;
/*整體的樣式*/
&::-webkit-scrollbar{
width: 10px;
background-color: red;
}
/*拉桿的樣式*/
&::-webkit-scrollbar-thumb{
background-color: black;
border-radius: 30px;
width: 40px;
}
/*軌道的樣式*/
&::-webkit-scrollbar-track{
background-color: gray;
}
}
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