How to animate the Windows startup interface using pure CSS

Source: Internet
Author: User
This article brings you the content is about how to use the pure CSS to achieve the Windows Start interface animation effect, there is a certain reference value, the need for friends can refer to, I hope to help you.

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Source code Download

Https://github.com/comehope/front-end-daily-challenges

Code interpretation

Define the DOM, the container contains 2 elements, respectively, representing the logo and progress bar, the logo also contains 3 paragraphs of text:

<div class= "Windows-boot" >    <div class= "logo" >        <p class= "MS" >Microsoft</p>        <p class= "Win" >Windows</p>        <p class= "Pro" >Professional</p>    </div>    < Div class= "Bar" ></div></div>

Center display:

body {    margin:0;    HEIGHT:100VH;    Display:flex;    Align-items:center;    Justify-content:center;    Background-color:black;}

Define Container Dimensions:

. windows-boot {    width:21.5em;    Height:15em;}

To set paragraph styles:

. logo p {    color:white;    Font-family:sans-serif;    margin:0;    padding:0;}

Set Font Size:

. logo. ms {    font-size:1.6em;}. Logo. Win {    font-size:4.2em;}. Logo. Pro {    font-size:3em;}

To set the font weight:

. logo. ms {    font-weight:lighter;}. Logo. Win {    font-weight:bold;}. Logo. Pro {    font-weight:lighter;}

Set line height:

. logo. ms {    line-height:1em;}. Logo. Win {    line-height:86%;}. Logo. Pro {    line-height:1em;    Padding-left:0.2em;}

Add a trademark copyright symbol after "Microsoft":

. logo. ms::after {    content: ' \00a9 ';    font-size:0.625em;    Vertical-align:top;    position:relative;    Top: -0.3em;    Left:0.2em;}

Add "XP" after "Windows":

. logo. win::after {    content: ' XP ';    font-size:0.5em;    Vertical-align:top;    position:relative;    Top: -0.4em;    Color:tomato;}

To define a progress bar size:

. bar {    width:15em;    Height:1em;    Border:0.2em solid silver;}

Increase the spacing between the logo and the progress bar:

. windows-xp-loader {    Display:flex;    Flex-direction:column;    Justify-content:space-between;    Align-items:center;}

To set the style of a progress bar:

. bar {    border-radius:0.7em;    position:relative;    Padding:0.2em;}. Bar::before {    content: ';    Position:absolute;    Width:3em;    height:70%;    Background-color:dodgerblue;    Border-radius:0.2em;}

Sets the style of the blue color block in the progress bar with a linear gradient:

. bar::before {    background:         linear-gradient (to right            ,            transparent 30%,            black 30%, Black 35%,            transparent 35%, transparent 65%,            black 65%, black 70%,            transparent 70%        ),        linear-gradient (            Blue 0,            royalblue 17%,            deepskyblue 32%, Deepskyblue 45%,            royalblue 60%,            blue 100%        ); C25/>filter:brightness (1.2);}

Add animation effects:

. bar::before {    animation:run 2s linear infinite;} @keyframes Run {from    {        Transform:translatex ( -3em);    }    to {        Transform:translatex (15em);    }}

Finally, hide the content outside the progress bar:

. bar {    Overflow:hidden;}

Done!

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