html, body {
    height: 100%;
    }
    
    body {
    display: flex;
    flex-direction: column;
    background-color: #f5f5f5;
    font-family: 'Montserrat', sans-serif;
    }
    
    .main-content {
    flex: 1;
    }
    
    .insta-default {
    display: inline-block;
    a {
        padding: 12px 24px;
        display: inline-block;
        background-image: linear-gradient(to right, #F58529, #FEDA77, #DD2A7B, #8134AF, #515BD4);
        box-shadow: 0 2px 3px 0 rgba(0,0,0,0.1);
        color: #FFF;
        border-radius: 4px;
        text-transform: uppercase;
        font-weight: bold;
        text-decoration: none;
        transition: all .3s;
        font-size: 14px;
        line-height: 1.4;
        &:hover {
        box-shadow: 0 0 4px 3px rgba(0,0,0,0.15);
        color: #FFF;
        text-decoration: none;
        transition: all .3s;
        }
        & i {
        color: #FFF;
        font-size: 16px;
        margin-left: 8px;
        }
    }
    }
    
    @media (max-width: 991.98px) {
        .navbar-collapse .insta-default {
            margin: 10px auto;
            text-align: center;
        }
    }
    
    .list-unstyled a {
        text-decoration: none;
    }