body {
    width: 100%;
    height: 100vh;
    margin: 0;
    padding: 0;
}

.full-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}

.bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
}

.three-button-container {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    width:62%;
}

    .three-button-container a {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin: 20px 40px;
        text-decoration: none;
    }

        .three-button-container a:hover .bg-icon {
            transition: all 0.4s ease 0s;
            background: #575fcf;
        }

    .three-button-container .bg-icon {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: #ffffff;
        width: 140px;
        height: 140px;
        border-radius: 70px;
    }

    .three-button-container i {
        font-size: 120px;
        color: #333333;
        margin-bottom: 10px;
    }

    .three-button-container a:hover i {
        color: #FFFFFF;
    }

    .three-button-container i {
        font-weight: lighter;
        color: #666;
    }

    .three-button-container span {
        color: white;
        font-size: 28px;
        font-weight: bold;
        margin-top: 5px;
    }
    .md{
        margin:0 auto;
    }