css calculate width dynamically code example

Example 1: css calc height

div {
	width: calc(100% - 100px);
}

Example 2: css dynamic width

<div style="width:100%;">
    <div style="width:50px; float: left;"><img src="myleftimage" /></div>
    <div style="width:50px; float: right;"><img src="myrightimage" /></div>
    <div style="display:block; margin-left:auto; margin-right: auto;">Content Goes Here</div>
</div>