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                <div class="title">
  <h1>Browsers <span>Pure css</span></h1>
  <p>One DIV, one logo.</p>

<div class="block">

  <div class="block4"><div class="safari"></div></div>
  <div class="block4"><div class="firefox"></div></div>
  <div class="block4"><div class="chrome"></div></div>
  <div class="block4"><div class="ie"></div></div>


<div class="block-b">

  <a target="_new" href="ão" >By Jordano Aragão</a>

<!-- Place this tag where you want the +1 button to render. -->
<div class="g-plusone" data-size="tall"></div>

<!-- Place this tag after the last +1 button tag. -->




                @import url(,300);
body{font-family:'Open Sans', sans-serif; font-weight:300; 
transform: translate3d(0px, 0px, 0px);}

.title{width: 460px; margin:120px auto 120px;}
h1{font-weight:300; font-size:36px; line-height:36px; color:#333; margin:0; padding:0;}
h1 span{font-size:16px; color:#888}
.title > p{ font-size:52px; line-height:52px; text-align:center; color: #09b; margin:-12px 0 0 0; padding:0;}

.block{min-width: 1020px; max-width:1200px; margin:0 auto;  overflow:hidden; left: 0; right: 0;}
.block4{ min-width:25%; float:left; }

.block-b{max-width: 460px;  overflow:hidden; margin: 160px auto 30px ; text-align:center;}
.block-b > p{ text-align:center; margin:0; color:#888;}
 a{display:block;  text-align:center; color:#09c; margin-bottom:30px; }

/* ----------------------------------------------------------------------
---------------------------------------------------------------------- */

.safari{width:200px; height:200px; border-radius:100%; border: 10px solid #e8e8e8; margin:10px auto;
    radial-gradient(#09b 20px, #fff 21px, #fff 23px,  #09b 24px, #09b 26px,  #09b 75px,transparent 75px, transparent 90px, #09b 90px),
    linear-gradient(90deg, transparent 99px,#fff 99px ,#fff 101px,transparent 101px ),
    linear-gradient(0deg, transparent 99px,#fff 99px ,#fff 101px,transparent 101px );

background-color: #09b;
  box-shadow:inset 0 7px 0 0px rgba(0, 0, 0, .3),  0 7px 0 0px rgba(0, 0, 0, .8);

 .safari:after{content: ""; width:20px; height:20px; background:#ccc; border-radius:100%; position:absolute; top:0; bottom:0; left:0; right:0; margin:auto;} 

.safari:before{content: ""; width:80px; height:20px; position:absolute; top:0; bottom:0; left:0; right:0; margin:auto; 

  background-image: linear-gradient(-14deg, #fff 50%, #c33 50%) ;
     background-image: -webkit-linear-gradient(104deg, #fff 50%, #c33 50%) ;
transform:rotate(105deg) skew(75deg, 0deg) ;
-webkit-transform:rotate(105deg) skew(75deg, 0deg) ;}

.safari:hover:before{ animation: safari 1s  ease-in-out infinite alternate;

@keyframes safari {
0%{ transform:rotate(105deg) skew(76deg, 0deg)}
 100%{ transform:rotate(45deg) skew(76deg, 0deg)}

/* ----------------------------------------------------------------------
---------------------------------------------------------------------- */
.firefox{width:200px; height:200px; border-radius:100%; border: 10px solid #e8e8e8; margin:10px auto; overflow:hidden; background: #ED7C30;
  position:relative; z-index:1;

 .firefox:before{content: ""; width:46px; height:46px; background:#A4DFEF; border-radius:100%; position:absolute; top:90px;  left:50px;  margin:auto;  border:1px solid #A4DFEF;
     -10px 0 0 5px rgba(164, 223, 239, .2), 16px -60px 0 8px rgba(164, 223, 239, .2),
    -30px -50px 0 8px #ED7C30,25px -38px 0 0px #A4DFEF,   -30px -30px 0 12px #ED7C30, 15px -60px 0 8px #A4DFEF, 
    33px 31px 0 -15px #A4DFEF,30px 17px 0 -13px #ED7C30, 20px -10px 0 0px #A4DFEF,-8px -0px 0 19px #ED7C30, 
20px -6px 0 28px #A4DFEF, 45px 10px 0 35px #ED7C30,
    -5px -57px 0 8px #ED7C30, 20px -23px 0 45px #A4DFEF,
     -5px -80px 0 8px #A4DFEF, -30px -70px 0 8px #ED7C30,
    -5px -57px 0 8px #ED7C30, 43px -11px 0 55px #ED7C30, 22px -39px 0 55px #A4DFEF;


.firefox:after{content: ""; width:0px; height:2px;
  background: linear-gradient(90deg,#E28B4C 75% ,#333 30% );background: -webkit-linear-gradient(0deg,#E28B4C 75% ,#333 30% );
  background-size:35px 35px ;
  position:absolute; top:50px;  left:73px;  margin:auto; 
border:solid; border-width:12px 0   15px 30px; border-color: #A4DFEF #fff #A4DFEF transparent;
box-shadow:inset 0px 0 0 50px #333}

.firefox:hover{ transition: all  1s  ease;

transform: rotate(360deg);}

/* ----------------------------------------------------------------------
---------------------------------------------------------------------- */

.ie{width:200px; height:200px; border-radius:100%;  margin:10px auto;box-shadow:inset 7px 0 0 53px #09c;

.ie:before{content: ""; width:280px; height:122px; background:none; border-radius:100%; position:absolute; top:33px; left:-45px;  margin:auto; box-shadow:inset 0 12px 0 13px  #09c, -35px -8px 0 -5px #fff; transform: rotate(-40deg); -webkit-transform: rotate(-40deg)}

.ie:after{content: ""; width:120px; height:25px; 
background: #09c;position:absolute; top:80px;  left:0; right: 0; margin:auto;box-shadow: 50px 23px 0 -2px #fff

/* ----------------------------------------------------------------------
---------------------------------------------------------------------- */

.chrome{width:200px; height:200px; border-radius:100%; border: 8px solid #333; margin:10px auto;
     linear-gradient(180deg, #c33 29%, transparent 0 ),
     linear-gradient(-115deg, #FCD209 45%, transparent 0),
     linear-gradient(-50deg, #FCD209 35.5%, transparent 0),
     linear-gradient(-60deg, rgba(0, 0, 0, .3) 40%, transparent 0),
     linear-gradient(50deg, #49AE48 35.5%, transparent 30px),
     linear-gradient(0deg, #49AE48 40%, transparent 0%),
     linear-gradient(40deg, rgba(0, 0, 0, .3) 40%, transparent 0);
background-color: #c33;


.chrome:after{content: ""; width:32%; height:32%; background:#09b; border-radius:100%; position:absolute; top:0; bottom:0; left:0; right:0; margin:auto; border:11px solid #fff; box-shadow:inset -5px -5px 0 8px rgba(0, 0, 0, .1)}

.chrome:before{content: "";  width:0px; height:0px; position:absolute; top:29%;  left:50%;  margin:auto; border: solid; border-width: 15px 75px 10px 0px;
 border-color: rgba(0, 0, 0, .3) transparent transparent transparent;}

/*safari gradient*/
      -webkit-linear-gradient(270deg, #c33 29.3%, transparent 0 ),
        -webkit-linear-gradient(210deg, #FCD209 45%, transparent 0),
        -webkit-linear-gradient(138deg, #FCD209 35.5%, transparent 0),
        -webkit-linear-gradient(148deg, rgba(0, 0, 0, .3) 40%, transparent 0),
        -webkit-linear-gradient(43deg,  #49AE48 35.5%, transparent 30px),
        -webkit-linear-gradient(90deg, #49AE48 40%, transparent 0%),
        -webkit-linear-gradient(52deg, rgba(0, 0, 0, .3) 40%, transparent 0);
background-color: #c33;}

@keyframes play {

     to {transform: rotate(-1440deg);}
.chrome:hover{ animation: play 2s  ease;}

/* ================================= */

@media all and (max-width: 1020px) {
   .title{margin: 60px auto 0px;}
.block{min-width: 300px; max-width:90%;}
  .block4{ width:300px; border:0px solid #ccc; margin:100px auto; float:none}
.block-b{ margin: 0 auto 30px ; width: 90%;}


@media all and (max-width: 460px) {
  footer a{position:absolute; top: -20px; left: 0; text-align:right; background: #ddd; color:#09c; width: 100%;}
  .title{width: 360px; margin: 30px auto 0;}
  .title h1, .title > p{width: 460px;transform: scale(.7); margin-left:-50px}