how to make animations unity 2d code example

Example 1: how to play animation with code in unity

public GameObject ExampleNPC;

void Update()
{
    if(Input.GetButtonDown("Animation")) // Make sure to refrence this in Input settings
    {
        ExampleNPC.GetComponent<Animator>().Play("Anim name");
    }
}

Example 2: css how to make 2d animations at once

.scaler {
    position: absolute;
    top: 100%;
    left: 50%;
    width: 120px;
    height: 120px;
    margin:-60px 0 0 -60px;
    animation: scale 4s infinite linear;    
}

.spinner {
    position: relative;
    top: 150px;
    animation: spin 2s infinite linear;
}


@keyframes spin { 
    100% { 
        transform: rotate(180deg);
    } 
}

@keyframes scale {
    100% {
         transform: scaleX(2) scaleY(2);
    }
}