<div class="controls">
<label for="writingmode">writing-mode:</label>
<select id="writingmode">
<option value="horizontal-tb">horizontal-tb</option>
<option value="vertical-lr">vertical-lr</option>
<option value="vertical-rl">vertical-rl</option>
</select>
</div>
<div id="wrapper">
<div class="box" id="typical">
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
</div>
<div class="box" id="logical">
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
</div>
</div>
:root {
--bgcolor: #fff;
--color: #333;
}
/* Dark mode */
@media screen and (prefers-color-scheme: dark) {
:root {
--color: #fff;
--bgcolor: #101010;
}
a:link, a:visited {
color: #0ff;
}
}
body {
color: #fff;
background-color: #101010;
width: 100vw;
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
padding: 6vh;
margin: 0;
box-sizing: border-box;
}
.controls {
margin: 0;
padding: .5em 2em 1em 2em;
border-bottom: 1px solid #666;
position: fixed;
top: 0;
left: 0;
right: 0;
display: flex;
align-items: center;
justify-content: center;
background-color: var(--bgcolor);
color: var(--color)
}
.controls select {
margin-right: 1.25rem;
color: #2f4f4f;
font-size: 1.2rem;
}
#wrapper {
padding-top: 40px;
display: flex;
justify-content: space-between;
align-items: center;
max-width: 80vw;
flex: 1;
}
.box {
// width: 30vw;
// border: 1px solid #ccc;
// margin: 2vh;
// padding: 3vh;
border-radius: 4px;
display: flex;
flex-direction: column;
position: relative;
&::before,
&::after {
content: '';
position: absolute;
}
}
.line {
background-color: rgba(#f36, .36);
border-radius: 2px;
}
#typical {
width: 30vw;
border: 1px solid #ccc;
margin: 2vh;
padding: 3vh;
&::before {
content: 'width(x)';
left: 50%;
bottom: calc(100% + 2vh);
transform: translate(-50%, 0);
}
&::after {
content: 'height(y)';
top: 50%;
right: calc(100% + 2vh);
transform: translate(0, -50%) rotate(90deg);
}
.line {
width: 100%;
min-height: 4vh;
margin: 1vh;
&:nth-child(2) {
width: calc(100% - 2vw);
}
&:nth-child(3) {
width: calc(100% - 4vw);
}
&:nth-child(4) {
width: calc(100% - 6vw);
}
&:nth-child(5) {
width: calc(100% - 8vw);
}
&:nth-child(6) {
width: calc(100% - 10vw);
}
}
}
#logical {
inline-size: 30vw;
border-inline: 1px solid #ccc;
border-block: 1px solid #ccc;
padding-inline: 3vh;
padding-block: 3vh;
margin-inline: 2vh;
margin-block: 2vh;
&::before {
content: 'inline-size(inline)';
inset-inline-start: 50%;
inset-block-end: calc(100% + 2vh);
transform: translate(-50%, 0);
}
&::after {
content: 'block-size(block)';
inset-block-start: 50%;
inset-inline-start: calc(100% - 4vh);
transform: translate(0, -50%) rotate(90deg);
white-space: nowrap;
}
.line {
inline-size: 100%;
min-block-size: 4vh;
margin-inline: 1vh;
margin-block: 1vh;
&:nth-child(2) {
inline-size: calc(100% - 2vw);
}
&:nth-child(3) {
inline-size: calc(100% - 4vw);
}
&:nth-child(4) {
inline-size: calc(100% - 6vw);
}
&:nth-child(5) {
inline-size: calc(100% - 8vw);
}
&:nth-child(6) {
inline-size: calc(100% - 10vw);
}
}
}
View Compiled
const writingModeSelector = document.getElementById('writingmode');
const wrapper = document.getElementById('wrapper')
writingModeSelector.addEventListener('change', (e) => {
console.log('====> writing-mode:', e.target.value)
wrapper.style.writingMode=e.target.value
})
View Compiled
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.