.icon.circle.fa-instagram {
    background: #E1306C;
    color: #fff;
}

    .icon.circle.fa-instagram:hover {
        background: #e25383;
    }

    .icon.circle.fa-envelope {
        background: #7490c3;
        color: #fff;
    }
    
        .icon.circle.fa-envelope:hover {
            background: #829bc9;
        }