body{
        background                  :   #808080;
        margin                      :   0px;
        overflow                    :   hidden;
}
#logo{
        position            :absolute;
        height              :300px;
        width               :300px;
        top                 :50%;
        left                :50%;
        margin-left         :-150px;
        margin-top          :-150px;
}
img{
        border                     :   none;
}