body{
    padding: 0;
    margin: 0;
}

#banner{
    position: absolute;
     margin: 0 auto;
    width: 728px;
    height: 90px;
    overflow: hidden;
    box-sizing: border-box;
    border: 1px solid gray;
    cursor: pointer;
}

img{
    position: absolute;
    width: 728px;
    height: 90px;
    top: 0;
    left: 0;
    display: none;
}
.bg{
    position: absolute;
    top: 0;
    left: 0;
    width: 728px;
    height: 90px;
    opacity: 1;
}





.logo{
    position: absolute;
    top: 0;
    left: 0;
    width: 728px;
    height: 90px;
    opacity: 1;
}
.product{
    position: absolute;
    top: 0;
    left: -50px;
    width: 728px;
    height: 90px;
    opacity: 0;
}
.t_f1{
    position: absolute;
    top: 0;
    left: 0;
    width: 728px;
    height: 90px;
    opacity: 0;
}
.t_f2{
    position: absolute;
    top: 0;
    left: 0;
    width: 728px;
    height: 90px;
    opacity: 0;
}

.cta{
    position: absolute;
    top: 25px;
    left: 0;
    width: 728px;
    height: 90px;
    opacity: 0;
}