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Absolute center CSS Loading spinner
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<div class="loading">Loading…</div> | |
/* Absolute Center CSS Spinner */ | |
.loading { | |
position: fixed; | |
z-index: 999; | |
height: 2em; | |
width: 2em; | |
overflow: show; | |
margin: auto; | |
top: 0; | |
left: 0; | |
bottom: 0; | |
right: 0; | |
} | |
/* Transparent Overlay */ | |
.loading:before { | |
content: ''; | |
display: block; | |
position: fixed; | |
top: 0; | |
left: 0; | |
width: 100%; | |
height: 100%; | |
background-color: rgba(0,0,0,0.3); | |
} | |
/* :not(:required) hides these rules from IE9 and below */ | |
.loading:not(:required) { | |
/* hide "loading..." text */ | |
font: 0/0 a; | |
color: transparent; | |
text-shadow: none; | |
background-color: transparent; | |
border: 0; | |
} | |
.loading:not(:required):after { | |
content: ''; | |
display: block; | |
font-size: 10px; | |
width: 1em; | |
height: 1em; | |
margin-top: -0.5em; | |
-webkit-animation: spinner 1500ms infinite linear; | |
-moz-animation: spinner 1500ms infinite linear; | |
-ms-animation: spinner 1500ms infinite linear; | |
-o-animation: spinner 1500ms infinite linear; | |
animation: spinner 1500ms infinite linear; | |
border-radius: 0.5em; | |
-webkit-box-shadow: rgba(0, 0, 0, 0.75) 1.5em 0 0 0, rgba(0, 0, 0, 0.75) 1.1em 1.1em 0 0, rgba(0, 0, 0, 0.75) 0 1.5em 0 0, rgba(0, 0, 0, 0.75) -1.1em 1.1em 0 0, rgba(0, 0, 0, 0.5) -1.5em 0 0 0, rgba(0, 0, 0, 0.5) -1.1em -1.1em 0 0, rgba(0, 0, 0, 0.75) 0 -1.5em 0 0, rgba(0, 0, 0, 0.75) 1.1em -1.1em 0 0; | |
box-shadow: rgba(0, 0, 0, 0.75) 1.5em 0 0 0, rgba(0, 0, 0, 0.75) 1.1em 1.1em 0 0, rgba(0, 0, 0, 0.75) 0 1.5em 0 0, rgba(0, 0, 0, 0.75) -1.1em 1.1em 0 0, rgba(0, 0, 0, 0.75) -1.5em 0 0 0, rgba(0, 0, 0, 0.75) -1.1em -1.1em 0 0, rgba(0, 0, 0, 0.75) 0 -1.5em 0 0, rgba(0, 0, 0, 0.75) 1.1em -1.1em 0 0; | |
} | |
/* Animation */ | |
@-webkit-keyframes spinner { | |
0% { | |
-webkit-transform: rotate(0deg); | |
-moz-transform: rotate(0deg); | |
-ms-transform: rotate(0deg); | |
-o-transform: rotate(0deg); | |
transform: rotate(0deg); | |
} | |
100% { | |
-webkit-transform: rotate(360deg); | |
-moz-transform: rotate(360deg); | |
-ms-transform: rotate(360deg); | |
-o-transform: rotate(360deg); | |
transform: rotate(360deg); | |
} | |
} | |
@-moz-keyframes spinner { | |
0% { | |
-webkit-transform: rotate(0deg); | |
-moz-transform: rotate(0deg); | |
-ms-transform: rotate(0deg); | |
-o-transform: rotate(0deg); | |
transform: rotate(0deg); | |
} | |
100% { | |
-webkit-transform: rotate(360deg); | |
-moz-transform: rotate(360deg); | |
-ms-transform: rotate(360deg); | |
-o-transform: rotate(360deg); | |
transform: rotate(360deg); | |
} | |
} | |
@-o-keyframes spinner { | |
0% { | |
-webkit-transform: rotate(0deg); | |
-moz-transform: rotate(0deg); | |
-ms-transform: rotate(0deg); | |
-o-transform: rotate(0deg); | |
transform: rotate(0deg); | |
} | |
100% { | |
-webkit-transform: rotate(360deg); | |
-moz-transform: rotate(360deg); | |
-ms-transform: rotate(360deg); | |
-o-transform: rotate(360deg); | |
transform: rotate(360deg); | |
} | |
} | |
@keyframes spinner { | |
0% { | |
-webkit-transform: rotate(0deg); | |
-moz-transform: rotate(0deg); | |
-ms-transform: rotate(0deg); | |
-o-transform: rotate(0deg); | |
transform: rotate(0deg); | |
} | |
100% { | |
-webkit-transform: rotate(360deg); | |
-moz-transform: rotate(360deg); | |
-ms-transform: rotate(360deg); | |
-o-transform: rotate(360deg); | |
transform: rotate(360deg); | |
} | |
} |
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