CSS: Units for responsive Webdesign
| Unit | Description |
|---|---|
| em | Font size of the parent, in the case of typographical properties like font-size, and font size of the element itself, in the case of other properties like width. |
| ex | x-height of the element's font. |
| ch | The advance measure (width) of the glyph "0" of the element's font. |
| rem | Font size of the root element. |
| lh | Line height of the element. |
| vw | 1% of the viewport's width. |
| vh | 1% of the viewport's height. |
| vmin | 1% of the viewport's smaller dimension. |
| vmax | 1% of the viewport's larger dimension. |
calc() to mix them
when to use which?
A rule of thumb is if the margins or paddings are related to that element, they should be ems. If they’re global sizes they should be rems.
Media Queries
/*
##Device = Desktops
##Screen = 1281px to higher resolution desktops
*/
@media (min-width: 1281px) {
//CSS
}
/*
##Device = Laptops, Desktops
##Screen = B/w 1025px to 1280px
*/
@media (min-width: 1025px) and (max-width: 1280px) {
//CSS
}
/*
##Device = Tablets, Ipads (portrait)
##Screen = B/w 768px to 1024px
*/
@media (min-width: 768px) and (max-width: 1024px) {
//CSS
}
/*
##Device = Tablets, Ipads (landscape)
##Screen = B/w 768px to 1024px
*/
@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
//CSS
}
/*
##Device = Low Resolution Tablets, Mobiles (Landscape)
##Screen = B/w 481px to 767px
*/
@media (min-width: 481px) and (max-width: 767px) {
//CSS
}
/*
##Device = Most of the Smartphones Mobiles (Portrait)
##Screen = B/w 320px to 479px
*/
@media (min-width: 320px) and (max-width: 480px) {
//CSS
}
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