styles.css

.container{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-family: arial;
    text-align: center; 
}

.container .fab{
    color: blue;
    font-size: 80px;
}

.container .notify::after{ 
    position: absolute; 
    content: attr(data-count);
    top: 0px; 
    right: -3px; 
    font-size: 30px;
    font-weight: bold;
    color: white;
    padding: 5px 12px;
    background: linear-gradient(#ff1a1a, #ff0000, #e60000);
    border-radius: 50px;
    line-height: 100%;
    box-shadow: 0 0 10px rgba(0,0,0,.2);
    opacity: 0;
    transition: opacity 0.1s ease-out;
    animation: animate 0.9s ease-out infinite alternate;
}
@keyframes animate{
    0%{
        transform: scale(1);
    }
    100%{
        transform: scale(1.09);
    }
}

.notify.add-numb::after{
    opacity: 1;
}

.container .btn{
    position: absolute;
    left: -25px;
    top: 100px;
    height: 40px;
    width: 120px;
    color: white;
    font-size: 15px;
    font-weight: bold;
    border: 1px solid #111755;
    background: #1A237E;
    border-radius: 3px;
    line-height: 40px;
    outline: none;
    cursor: pointer;
}

.container .btn:hover{
    background: #161d6a;
}