<style type="text/css"> 

             body{ 

                  

                  font-family: "Helvetica", "Arial", serif; 

             color: #333; 

             background-color: #ccc; 

             margin: 1em 10%; 

                  

             } 

             h1{ 

                 color: :333; 

                 background-color: transparent; 

                  

             } 

             a{ 

                  

                 color: #c60; 

                 background-color: transparent; 

                 font-weight: bold; 

                 text-decoration: none; 

             } 

             a:hover{ 

                  

                 color: red; 

             } 

              

               ul { 

             padding: 0; 

         } 


         li { 

             float: left; 

             padding: 1em; 

             list-style: none; 

         } 

        img{ 

            margin: 0 auto; 

            transition: all 3s; 

             

        } 

        .box{ 

         width: 150px; 

         height: 150px; 

             

        } 

        .box:hover{ 

        transform: rotateX(180deg); 

             

        } 

        .box1{ 

            width: 150px; 

            height: 150px; 

            margin: 0 auto; 

                 transition: all 2s ; 

             

        } 

        .box1:hover{ 

            border-radius:50%; 

             

        } 

        

        .box2{ 

            width: 150px; 

            height: 150px; 

            background-color: red; 

            border-radius:50% ; 

            transition: all 2s; 

             

        } 

        .box3{ 

                transition: all 3s; 

             

        } 

        .box3{ 

            width: 150px; 

            height: 150px; 

            background-color: orangered; 

            margin: 0 auto; 

            box-shadow: 5px 15px 2px blueviolet; 

         

         

             

        } 

       

         #imagegallery { 


             list-style: none; 

         } 


         #imagegallery li { 

             margin: 0px 20px 20px 0px; 

             padding: 0px; 

             display: inline; 

         } 


         #imagegallery li a img { 

             border: 0; 

         } 

              

         </style>