.image-button-custom {
	width: 600px;
    height: 130px;
    border: none;
    cursor: pointer;
    display: block;
    background: rgb(39, 160, 76) url(../images/icons/email.svg) no-repeat right 4vw center;
    background-size: 4vw auto;
    color: #fff;
    font-size: 2.2vw;
    font-weight: bold;
    padding-right: 4vw;
    border-radius: 10px;
    box-shadow: 0 0 15px rgb(39, 160, 76);
    border: 5px solid #fff;
    margin-top: 2vw;
    margin-bottom: 4vw;
}

.image-button-custom:hover {
	opacity: 0.7;
}

@media screen and (max-width: 959px) {
    .image-button-custom {
        width: min(80vw,480px);
        height: min(22vw,100px);
        background: rgb(39, 160, 76) url(../images/icons/email.svg) no-repeat right min(5vw, 2.5rem) center;
    	background-size: min(10vw, 3rem) auto;
        font-size: min(6.5vw, 2.4rem);
        border: 3px solid #fff;
    }
}