*{
    margin:0px;
    padding:0px;
    box-sizing:border-box;
    font-family:'poppins', sans-serif;
}
html,body{
    min-height:100vh;
}

body{
    font-family:'sans-serif';
    background: linear-gradient(135deg, #4203a9, #90bafc);
    padding:200px 0px 0px 150px;
}
.container{
    max-width:600px;
    width:100%;
    color:#fff;
}
.container h1{
    font-size:60px;
    
}
.container span{
    display:inline-block;
    margin:16px 0px 40px 0px;
    color:#ffff76;
}
.input-box{
    padding:32px;
    background-color:rgba(254, 249, 249, 0.4);
    border-radius:10px;
    display:flex;
    column-gap:16px;
}
.input-box input{
    border-radius:4px;
    flex:1;
    padding:14px;
    border:none;
    outline:none;    
}
.input-box .calcbtn{
    border-radius:4px;
    padding-inline:20px ;
    background-color:#ffff76;
    color:#333;
    border:none;
    outline:none;
    cursor:pointer;
}
.input-box .calcbtn:hover{
    background-color:#ffff76;
    transform:scale(1.05);
}
.container p span{
    color:#ffff76;
}