body{
    margin: 2;
}

.wrapper{

}

.header{
    background-color: green;
    width: 98%;
    padding: 1%;
    margin-bottom: 10px;
}

.ad{
    margin: auto;
    width: 468px;
    height: 60px;
    margin-bottom: 10px;
    text-align: center;
    background-color: brown;
}

.content{
    display: flex;
    justify-content: center;
}

.LeftBox{
    width: 20%;
    padding-bottom: 40%;
    margin-bottom: 10px;
    margin-right: 10px;
    background-color: aqua;
}

.MiddleBox{
    width: 80%;
    height: 350px;
    background-color: brown;
}

.RightBox{
    width: 20%;
    padding-bottom: 40%;
    margin-bottom: 10px;
    margin-left: 10px;
    background-color: aqua;
}

.footer{
    background-color:green;
    width: 98%;
    text-align: center;
    padding: 1%;
}