.wrap {
    margin: auto;
    width: 998px;
    position: relative;
    min-height: 950px;
    overflow: hidden;
}

* {
    outline: none;
}

.relative {
    position: relative;
}

body {
    padding: 0px;
    margin: 0px;
    font-family: Tahoma;
    font-size: 12px;
}

.all {
    position: relative;
    background: url(./bg.jpg) top center no-repeat;
    min-width: 998px;
}

.top_menu {
    position: absolute;
    top: 17px;
    right: 44px;
    background: #50574db0;
    border-radius: 40px;
}

.top_menu a {

    display: inline-block;
    color: white;
    line-height: 25px;
    padding: 0px 25px 0px 25px;
    margin: 8px 0px 8px 0px;
    text-decoration: none;
    border-right: 1px dotted white;

}

.top_menu a:hover {
    color: yellow;
}

.event_menu {}

.event_menu a {
    display: block;
    position: absolute;
    width: 149px;
    height: 152px;
}

.event_menu .b1 {
    background: url(./b1.png) center center no-repeat;
    top: 503px;
    left: 643px;

}
.event_menu .b1:hover {
    background: url(./b11.png) center center no-repeat;
  

}
.event_menu .b2 {
    background: url(./b2.png) center center no-repeat;
    top: 546px;
    left: 821px;

}
.event_menu .b2:hover {
    background: url(./b21.png) center center no-repeat;
  

}
.event_menu .b3 {
    background: url(./b3.png) center center no-repeat;
 
    top: 698px;
    left: 730px;

}
.event_menu .b3:hover {
    background: url(./b31.png) center center no-repeat;
  

}
.event_menu .b4 {
    background: url(./download.png) center center no-repeat;
    width: 160px;
    height: 221px;
    top: 238px;
    left: 830px;

}
.event_menu .b4:hover {
    background: url(./download1.png) center center no-repeat;
  

}


.event_menu .b5 {
    background: url(./b5.png) center center no-repeat;
  
    top: 313px;
    left: 20px;
    width: 309px;
    height: 309px;

}
.event_menu .b5:hover {
    background: url(./b51.png) center center no-repeat;
  

}


.event_menu .b6 {
    background: url(./b6.png) center center no-repeat;
    width: 309px;
    height: 309px;

    top: 564px;
    left: 329px;

}
.event_menu .b6:hover {
    background: url(./b61.png) center center no-repeat;
  

}