body {
    background-color: white;
    background-image: url(http://hdwplan.com/wp-content/uploads/2016/03/birthday-background-design.jpg);
    background-size: cover;
    /*background-image: url(http://www.wonderbackgrounds.com/background/animated_background_a2.gif);*/
padding-right: 15px;
    padding-left: 0px;

}


.container {
    
    padding-right: 15px;
    padding-left: 0px;
    text-align: center;
    position: relative;
    height: 590px;
    max-width: 700px;
    
     
}
.container div {
  
    width: 700px;
    display: inline-block;
    border-radius: 10%;
    padding-right: 15px;
    padding-left: 0px;
   padding-top:80px;
    padding-bottom:100px
    margin-top: auto;
    margin-bottom: auto;
    margin-left: auto;
    margin-right: auto;
    display: none;
}
.container img {
    width: 800px;
    height: 700px;
   padding-right: 100px;
    padding-left: 0px;
    
    padding-top:80px;
    padding-bottom:100px
     margin-top: auto;
    margin-bottom: auto;
    margin-left: auto;
    margin-right: auto;
 
}
button {
    position: absolute;
    border-radius: 20%;
    background-color: #2051B7;
    border-color: #2051B7;
    color: yellow;
}
.next {
  margin-top: -375px;
  margin-bottom: 0px;
  margin-left: 385px;
  margin-right: 100px;

}
.prev {

    margin-top: -375px;
    margin-bottom: 0px;
    margin-left: -440px;
    margin-right: 0px;
}