CSS - Exact same height and alignment of button and input text box

Question

I need to have a button and a tex box sitting next to each other and they have to align up perfectly as if one is bigger than the other then it will be instantly noticeable.

Answer 1

.sdiv {
padding-top: 33px;
padding-left: 33px;
height: 123px;
border: 1px dotted red;
border-radius: 7px;
background-color: Black;
}

.sbtn {
float:left;
height:24px;
width: 24px;
padding: 3px 0 0 0;
border:none;
margin-top: 14px;
background-color: white;
}

.stxt {
width: 180px;
height:22px;
float:left;
border:none;
padding-left:3px;
margin-top: 14px;
}

All excellent answers! But none were really what I was looking for...

I got more satisfaction from more straightforward approach: