.ion {
    display: block;
    height: 100%;
    width: 100%;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.ion-checkmark {
    background-image: url("../img/ionicons/checkmark.svg");
}

.ion-add {
    background-image: url("../img/ionicons/add.svg");
}

.ion-login {
    background-image: url("../img/ionicons/log-in-outline.svg");
}