.foot-main{
    text-align: center;
    margin-top: 75px;
}
#top-btn{
    position: relative;
    bottom: 20px;
    height: auto;
    width: 100%;
    background: none;
    z-index: 95;
    border: none;
    outline: none;
    cursor: pointer;
    transition: 2s;
}
.to-top{
    height: 35px;
    width: 35px;
}