* { border:none; text-decoration:none;}
body{*text-align:center; /* hack para o IE */}
  #tudo {
    width: 800px;
    height: 512px;
    margin: 0 auto;    
    *margin: 0 10%;  /* essa linha funciona no IE7 */
  }
  
    img {
      display: block;
      margin: 0 auto;
      *text-align:center; /* hack para o IE */
    }
    
    .box {
      width: 233px;
      height: 424px;
      background-color: #F3F3F4;
      position: relative;
      float: left;
      top: 29px;
      left: 132px;
    }
    .box:hover { 
      box-shadow: 1px 1px 10px #888; 

        -moz-box-shadow: 1px 1px 10px #888;;
        -webkit-box-shadow: 1px 1px 10px #888;;
        box-shadow: 1px 1px 10px #888;;
        filter: progid:DXImageTransform.Microsoft.Blur(PixelRadius=3,MakeShadow=true,ShadowOpacity=0.30);
        -ms-filter: "progid:DXImageTransform.Microsoft.Blur(PixelRadius=3,MakeShadow=true,ShadowOpacity=0.30)";
        zoom: 1;

    }
    
    .box img { 
      margin-top: 30px; 
      box-shadow: 1px 1px 10px #aaa; 
      *text-align:center; /* hack para o IE */
    }    
    .en { left: 150px;}
    
      .a-img {
        width: 177px;
        height: 49px;
        display: blaock;
        float:left;
        margin: 20px 0 0 27px;        
      }
      a.clinica { background: url('clinica_ of.png') no-repeat top left; }
      a.clinica:hover { background: url('clinica_on.png') no-repeat top left; }
      
      a.endo { background: url('endo_of.png') no-repeat top left; }
      a.endo:hover { background: url('endo_on.png') no-repeat top left; }
      
      a.estetica { background: url('este_of.png') no-repeat top left; }
      a.estetica:hover { background: url('este_on.png') no-repeat top left; }
      
      a.journal { background: url('journal_of.png') no-repeat top left; }
      a.journal:hover { background: url('journal_on.png') no-repeat top left; }
      
      a.implant { background: url('implantology_of.png') no-repeat top left; }
      a.implant:hover { background: url('implantology_on.png') no-repeat top left; }