CSS Input fill

Input will fill all available horizontal space.

HTML

<label>Input</label>
<span  class="newc">
    <input/>
</span>
<label>New Input</label>
<span class="newc1">
    <input/>
</span>

CSS

label {
    float: left;
}

input {
    width: 100%;
}

span.newc {
    display: inline-block;
    overflow: hidden;
    padding-right: 5px;
    float : left;
}
span.newc1 {
    display: inline-block;
    overflow: hidden;
    padding-right: 5px;
     float : right;
}