.pv{
    display:inline-block;
    position:relative;
    padding: 10px 5px 10px 5px;
}
.pv:hover{
    cursor: pointer;
}
#photov{
    display:block;
    margin:auto;
    text-align:center;
    margin-left:100px;
    margin-right:100px;
}
#largepv{
    display:none;
    text-align:center;
    margin:auto;
    width:100%;
    height:100%;
    background-color :rgb(0, 0, 0);
    background-color :rgba(0, 0, 0, 0.9);
    position: absolute;
    z-index:1000;
}
#largep{
    margin:0px 0px 0px 0px;
    padding:0px 0px 0px 0px;
    max-height:90%;
    max-width:90%;
    height:auto;
    width:auto;
    margin-left:-15px;
    margin-right:-15px;
}
#largep:hover{
    cursor: pointer;
}
#prev{
    border:none;
    background-color:black;
    display:inline-block;
    float:left;
    color:white;
    padding:10px 10px 10px 10px;
    height:auto;
    width:auto;
    margin:auto;
    left:0;
    font-size:x-large;
}
#prev:hover{
    cursor: pointer;
}
#next{
    border:none;
    background-color:black;
    display:inline-block;
    float:right;
    color:white;
    padding:10px 10px 10px 10px;
    height:auto;
    width:auto;
    margin:auto;
    right:0;
    font-size:x-large;
}
#next:hover{
    cursor: pointer;
}
#xexit{
    display:inline-block;
    padding:5px 10px 5px 10px;
    background: none;
    background-color :rgb(0, 0, 0);
    background-color :rgba(0, 0, 0, 0.9);
    color:white;
    border:none;
    position:absolute;
    right:0;
    height:auto;
    width:auto;
}
#xexit:hover{
    cursor: pointer;
}
body {
    height:100%;
    margin:0px 0px 0px 0px;
}
html {
    height: 100%;
    margin:0px 0px 0px 0px;
}
#fgrad {
    margin:0px 0px 0px 0px;
}
#toppage {
    margin:0px 0px 0px 0px;
}
#navbar {
    margin:0px 0px 0px 0px;
}
#fgrad {
    margin:0px 0px 0px 0px;
}