css - Trouble Vertically Aligning Text to Middle of Window/Viewport -


i'm trying align text bottom of loading sequence & think best way part way there use vertical-align. trouble is not working. have replica of code here. html:

<div id="bg_loader" style="background-image:url(http://www.myhhf.com/images/loading/myhhub_loading_4.gif);"></div>

css:

#bg_loader {     width: 100%;     height: 100%;     z-index: 100000000;     background-image: url(../images/loading/myhhub_loading.gif);     background-repeat: no-repeat;     background-position: center; } #bg_loader:before {     content: "thank waiting";     display: inline-block;     width: 100%;     height: 100%;     vertical-align: middle;     text-align: center;     font-size: 140%;     font-weight: bold;     color: #080; }

i have done extensive research on matter. can tell should working. however, using pseudo element insert text & haven't been able find documentation on vertical-align & pseudo in these particular types of cases.

i found article useful: vertical-align: need know

i know why vertical-align not working. open better methods of how place text below loading sequence responsively. aware of calc(), using.

css:

#bg_loader:before {     content: "thank waiting";     display: inline-block;     position: absolute;     bottom: calc(60% - 14em);     width: 100%;     text-align: center;     font-size: 140%;     font-weight: bold;     color: #080; }

update:

i made edits pangloss's code (marked answer below) make coded little more dynamic: jsfiddle

#bg_loader:after {     content: "thank waiting";     display: inline-block;     vertical-align: middle;     width: 100%;     height: 13.86em;     line-height: calc(100% + (13.86em * 2) + 1.575em);     text-align: center;     font-size: 140%;     font-weight: bold;     color: #080; }

basically, instead of giving :after element fixed padding of icky pixels, gave same height image (in beautiful flowy em values) & line-height calculated bring text bottom bit of padding.

now, obviously, still going need work won't compatible firefox (firefox not support calc() inside line-height.... have noticed issues in ipad. working diagnose issue.

i shall try keep post updated. (my progress tracked here.)

if set vertical-align on inline block element, valign element itself, rather content inside, , element 100% height, nothing happens, main issue there.

secondly, valign position relative sibling elements' heights (usually tallest one). , there isn't siblings in example. guide have followed good, can read again, more carefully.

updated code snippet:

#bg_loader:before {     content: "";     display: inline-block;     height: 100%;     vertical-align: middle; } #bg_loader:after {     content: "thank waiting";     display: inline-block;     vertical-align: middle;     width: 100%;     padding-top: 270px; /*spacing*/     text-align: center;     font-size: 140%;     font-weight: bold;     color: #080; }

full working example:

jsfiddle

html{      height: 100%;      min-height: 100%;      overflow-y: scroll;  }  body{      width: 100%;      height: 100%;      min-height: 100%;      overflow: hidden;      background-color: #f1fafc;      background-attachment: fixed;      font-size: 80%;      margin: 0;  }  #bg_loader {      width: 100%;      height: 100%;      z-index: 100000000;      background-image: url(../images/loading/myhhub_loading.gif);      background-repeat: no-repeat;      background-position: center;  }  #bg_loader:before {      content: "";      display: inline-block;      height: 100%;      vertical-align: middle;  }  #bg_loader:after {      content: "thank waiting";      display: inline-block;      vertical-align: middle;      width: 100%;      padding-top: 270px;      text-align: center;      font-size: 140%;      font-weight: bold;      color: #080;  }
<div id="bg_loader" style="background-image:url(http://www.myhhf.com/images/loading/myhhub_loading_4.gif);"></div>


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