TYPESCRIPT

how to target all child elements css

.wrapper * {
    color: blue;
    margin: 0 100px; /* Only for demo */
}
.myTestClass > * {
    color:red;
    margin: 0 20px;
}

all child selector css

.div > * {
    /* All the Child will get this style individually */
}

css affect all child elements

div.class, div.class > * {
    // CSS Property
}