This free age calculator computes age in terms of years, months, weeks, days, hours, minutes, and seconds, given a date of birth

.base{
overflow: hidden;
display: flex;
flex-direction: column;
float: none;
}
.block{
padding: 5px 20px;
margin-left: 20px;
display: inline-block;
float: left;
}

input[type=text] {
margin: auto;
outline: none;
min-height: 20px;
border: 2px solid #1073d0;
padding: 12px;
border-radius: 7px;
font-size: 17px;
}
input[type=text]:focus{
background-color: #ffffff;
border: 2px solid orange;
outline: none;
}
input[type=button]{
width: 100px;
margin-left: 35%;
margin-top: 20px;
outline: none;
border: none;
border-radius: 6px;
background-color: crimson;
color: #ffffff;
padding: 10px 20px;
text-align: center;

font-size: 16px;
}
input[type=button]:hover{
background-color: #003669;
}

#age{
display: block;
margin: 10px;
margin-top: 35px;
padding: 10px;
padding-bottom: 20px;
overflow: hidden;
font-family: verdana;
font-size: 19px;
font-weight: normal;
line-height: 1.5;
word-spacing: 2.7px;

}

function age() {
var d1 = document.getElementById(‘date’).value;
var m1 = document.getElementById(‘month’).value;
var y1 = document.getElementById(‘year’).value;

var date = new Date();
var d2 = date.getDate();
var m2 = 1 + date.getMonth();
var y2 = date.getFullYear();
var month = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

if(d1 > d2){
d2 = d2 + month[m2 – 1];
m2 = m2 – 1;
}
if(m1 > m2){
m2 = m2 + 12;
y2 = y2 – 1;
}
var d = d2 – d1;
var m = m2 – m1;
var y = y2 – y1;

document.getElementById(‘age’).innerHTML = ‘Your Age is ‘+y+’ Years ‘+m+’ Months ‘+d+’ Days’;
}

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These titles aim to functionality of an age calculator.