Footer.css

footer
{
    width: 100%;
    bottom: 0;
    background: linear-gradient(to right, #00093c, #2d0b00);
    color: #fff;
    padding: 100px 0 30px;
    border-top-left-radius: 125px;
    font-size: 13px;
    line-height: 20px;
}

.row
{
    width: 85%;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
}

.col
{
    flex-basis: 20%;
    padding: 25px;
}

.col:nth-child(2) , col:nth-child(3)
{
    flex-basis: 20%;
}
.row h2
{
    margin-bottom: 30px;
    font-size: 25px;
    font-weight: 600;
}

.col h3
{
    width: fit-content;
    margin-bottom: 40px;
    position: relative;
}

.email-id
{
    width: fit-content;
    border-bottom: 1px solid #ccc;
    margin: 20px 0;
}

.row ul li
{
    list-style: none;
    margin-bottom: 12px;
    font-size: 15px;
}

.row ul li a
{
    text-decoration: none;
    color: #fff;
}

.social-icons .fab
{
    width: 40px;
    height: 40px;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    font-size: 20px;
    color: #000;
    background: #fff;
    margin-right: 15px;
    cursor: pointer;
}

.social-icons .fab:hover
{
    background: rgb(143, 69, 20);
    transition: 0.3s;
    color: #fff;
}

.row hr
{
    width: 90%;
    border: 0;
    border-bottom: 1px solid #ccc;
    margin: 20px auto;
}

.copyright
{
    text-align: center;
}

.underline
{
    width: 100%;
    height: 5px;
    background: #767676;
    border-radius: 3px;
    position: absolute;
    top: 25px;
    left: 0;
}

.col ul li a:hover
{
    color: rgb(69, 110, 187);
    transition: 0.2s;
}

/* Responsive section */

@media (max-width: 700px)
{
    footer
    {
        bottom: unset;
    }

    .col
    {
        flex-basis: 100%;
    }

    .col:nth-child(2) , col:nth-child(3)
    {
        flex-basis: 100%;
    }

}