.mask_bg_color {
    background-color:chocolate;
    background-image: linear-gradient(to right, rgba(0,0,0,0.3) , rgba(0,0,0,0.7) , rgba(0,0,0,0.3)) , url(../img/office-time.webp);
}
.example {
    opacity: 0.33;
}
.contactCube {
    width: 120px;
    height: 120px;
}

/* .cube05 > * { background: #f0f; } */
.contactCube > .bottom { background:pink; }

/* .contactCube > * { background-image: url(../img/contact/mobile.png); } */
.contactCube > .front { background-image: url(../img/contact/mobile.png); }
.contactCube > .right { background-image: url(../img/contact/whatsapp.png); }
.contactCube > .left { background-image: url(../img/contact/phone.png); }
.contactCube > .back { background-image: url(../img/contact/email.png); }