.img-left{
    max-width:100%;
    text-align:right;
}
.img-right {
    max-width: 100%;
    text-align: left;
}


.mail {
    margin-top: 10px;
    margin-bottom: 10px;
    display: inline-block;
    background-color: #1ed4df;
    color: #fff;
    border-radius: 7px;
    padding: 8px 20px;
    margin-left: 18%;
    font-size: 2em;
}

    .mail:hover {
        color: #fff;
        text-decoration: none;
        background-color: #424268;
    }