body 
{
     background: #c0c0c0;
 
}
.active
{
     margin-top:5%;
    margin-bottom:3%;
    width:70%;
    margin-left:20%;
     background-color:Gray;
     
 
}
.jumbotron
{
    margin-top:5%;
    margin-bottom:3%;
    width:40%;
    margin-left:25%;
    border:1% solid green;
   
}
.head
{
    font-weight: normal;
  line-height: 1em;
  font-size: 5em;
  margin:3%;
    color: #dd5;
}
.headmenu
{
    margin-top:2%;
    margin-bottom:3%;
    width:100%;
    height:3%;
    margin-left:25%;
    border:1% solid green;
    background-color: #c0c0c0;
     border:1% solid green;
}

.gallery-items {
  width: 200px;
  height: 200px;
  float:left;
  margin: 10px;
  overflow: hidden;
  cursor: pointer;
  border: 10px solid #fff;
  border-radius: 5px;
  box-shadow: 0px 0px 5px 2px rgba(0, 0, 0, 0.5);
}