*{
    margin:0;
    padding:0;
    box-sizing: border-box;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #19172e;
}

.head{
    text-align: center;
    font-size: 2.5rem;
    color: #000;
    margin: 0;
    margin: 10px;
    font-weight: bolder;
    font-family:cursive;
}
.container{
    box-shadow: 0 0 4px 1px rgb(0, 0, 0);
    width: 400px;
    height: 350px;
    border-radius: 10px;
    display: flex;
    /* justify-content: center; */
    align-items: center;  
    flex-direction: column;  
    background-color: #67e663;
}

.date-container label{
    font-size: larger;
    margin-right:10px;    
}
#birthDate,#currentDate{
    width: 140px;
    height: 40px;
    border:none;
    box-shadow: 0 0 2px 1px rgb(210, 197, 197);
    border-radius: 10px;
    margin-top: 10px;
    padding: 4px;
    font-family: 'Times New Roman', Times, serif;
    color:rgb(149, 79, 79);
    font-size: larger;
}
#calculateBtn{
    width: 100px;
    height: 50px;
    margin-top: 20px;
    font-size: larger;
    font-family: 'Times New Roman', Times, serif;
    /* background-color: rgb(198, 204, 198);
    color:white; */
    border:none;
    outline: none;
    border-radius: 5px;
    box-shadow: 1px 3px 3px rgb(56, 84, 56);
    cursor: pointer;
    transition: 0.3s;
}
#calculateBtn:active{
  box-shadow: 0 0 0 0;   
}


#output{
    color: #000;
    margin-top: 10px;
    font-size: 20px;
}

footer {
    text-align: center;
    font-size: 1.2rem;
    position: absolute;
    bottom: 0;
    margin-bottom: 0;
    padding: 5px;
    line-height: 3vh;
    color: #fff;
  }
  footer a:visited {
    color: inherit;
  }