header {
    font-size: 30px;
    text-align: center;
    color: white;
}

.netscaperef {
    display: block;
    margin: 0 auto;

}

.world{
    display: block;
    margin: 0 auto;
}

.verycoolbuttons-row1 {
    text-align: center;
    padding-left: 15%;
    padding-right: 15%;

    padding-bottom: 10%;
}

.gifbutton {
    width: 100px;
    height: 35px;
}

.banners{
    width: 100%;
}