div#slides {
    width: 400px;
    height: 300px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
 }
 
 div#slidebox {
    width: 800px;
    height: auto;
    margin: 0 auto;
    position: relative;
 }
 
 div#slidebox img#leftbutton, div#slidebox img#rightbutton {
    position: absolute;
    width: 60px;
    cursor: pointer;
    filter: drop-shadow(8px 0px 2px rgba(0,0,0, 1))  
 }
 
 div#slidebox img#leftbutton {
    top: 100px;
    left: 120px;  
 }
 
 div#slidebox img#rightbutton {
    top: 100px;
    left: 620px;  
 }
 
 div#slides > img {
    width: 400px;
    position: absolute;
    top: 0px;
 }
 
 div#slides {
    width: 400px;
    height: 300px;
    margin: 0 auto;
    overflow:hidden;
    position: relative;
 }
 
 div#slides > img#photo1 {left: 0px;}
 div#slides > img#photo2 {left: 401px;}
 div#slides > img#photo3 {left: 802px;}
 
 div#caption {

    margin: 20px auto;
    text-align: center;
    font-size: 1.3em;
    line-height: 1.5em;  
 }