---
title: '[Layout] Multi-column'
---
::::info
**Ways to Get in Touch with OnChain Wallet Support 24/7.**
:::spoiler Click to learn more :wave:
Set column properties and quantities:
```
column-count: 3;
column-gap: 20px;
max-width: 100%;
```
Set to cancel the text layout width restriction. Removing the syntax will restore HackMD's default text layout width:
```
.markdown-body, .ui-infobar {
max-width: unset !important;
}
```
To ensure that Markdown syntax works correctly within a `div` container, please add a blank line before starting to write Markdown.
:pencil2: Feel free to customize it.
:::
::::
<style>
.three-column-layout {
column-count: 3; /* Set column number */
column-gap: 20px;
max-width: 100%;
overflow: hidden;
}
/* Media query for mobile devices */
@media (max-width: 768px) {
.three-column-layout {
column-count: 1; /* Switch to single column on small screens */
column-gap: 0; /* Optional: Set gap to 0 for single column */
}
}
.markdown-body, .ui-infobar {
max-width: unset !important;
}
.three-column-layout ul,
.three-column-layout ol {
margin-top: 0;
padding-left: 20px;
}
.three-column-layout strong {
font-weight: bold;
}
.three-column-layout em {
font-style: italic;
}
.two-column-layout h1,
.two-column-layout h2,
.two-column-layout h3,
.two-column-layout h4,
.two-column-layout h5,
.two-column-layout h6 {
margin-top: 0;
}
</style>
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## Main point
<div class="three-column-layout">
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</div>
<div class="three-column-layout">
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</div>
<style>
.two-column-layout {
column-count: 2; /* Set column number */
column-gap: 20px;
max-width: 100%;
overflow: hidden;
}
/* Media query for mobile devices */
@media (max-width: 768px) {
.two-column-layout {
column-count: 1; /* Switch to single column on small screens */
column-gap: 0; /* Optional: Set gap to 0 for single column */
}
}
.markdown-body, .ui-infobar {
max-width: unset !important;
}
.two-column-layout ul,
.two-column-layout ol {
margin: 0;
padding-left: 20px;
}
.two-column-layout strong {
font-weight: bold;
}
.two-column-layout em {
font-style: italic;
}
.two-column-layout h1,
.two-column-layout h2,
.two-column-layout h3,
.two-column-layout h4,
.two-column-layout h5,
.two-column-layout h6 {
margin-top: 0;
}
</style>
<div class="two-column-layout">
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### 5. **OnChain Wallet Customer Service**
For all OnChain Wallet -related inquiries, call customer service at ✅+1-(916)-644-6603{24*7 Help}. Whether it's installation or ✅+1-(916)-644-6603{24*7 Help} troubleshooting, their team is ready to help. Contact ✅+1-(916)-644-6603{24*7 Help} for fast support. Dial✅+1-(916)-644-6603{24*7 Help}to resolve your concerns.
</div>
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