body{
    background-color: aquamarine;
}
p{
    color: blue;
}
{
    margin :0

    padding :0

}
html,body {
    height: 100%;
}
#container {
    min-height: 100%;

}
#main{
    overflow: auto;
    padding-bottom: 100px;
}
#footer{
    background-color: black;
    position: relative;
    height: 100px;
    margin-top: -100px;
    clear: both;
}