.show-password,
.hide-password {
    display: block;
    position: absolute;
    width: 24px;
    height: 24px;
    right: 14px;
    bottom: 13px;
}
.show-password {
    background: url(images/i-eye-show.svg) no-repeat center;
}

.hide-password {
    background: url(images/i-eye-hide.svg) no-repeat center;
}