*{
    padding: 0;
    margin: 0;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    box-sizing: border-box;
}

.container{
    width: 100%;
    min-height: 100vh;
    color: #fff;
    padding: 10px;
}

body{
     background: linear-gradient(135deg ,#4203a9 ,#90bafc);
}

.calculator{
    width: 100%;
    max-width: 600px;
    margin-left: 10%;
    margin-top: 10%;

}

.calculator h1{
    font-size: 50px;

}

.calculator h1 span {
    color: #ffff76;

}

.input-box{
    margin: 40px 0;
    padding: 35px;
    border-radius: 10px;
    background: rgba(255,255,255,0.3);
    display: flex;
    align-items: center;
}

.input-box input{
    flex: 1;
    margin-right: 20px;
    padding: 14px 20px;
    border: 0;
    outline: 0;
    font-size: 18px;
    border-radius: 5px;
    position: relative;
}

.input-box button{
    background: #ffff76;
    border: 0;
    outline: 0;
    padding: 15px 30px;
    border-radius: 5px;
    font-weight: 500;
    color: #333;
    cursor: pointer;
}

 .input-box input[type="date"]::-webkit-calendar-picker-indicator{
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: auto;
    height: auto;
    position: absolute;
    background-position: calc(100% - 10px);
    background-size: 30px;
    cursor: pointer;

} 

#result{
    font-size: 20px;

}

#result span{
    color: #ffff76;
}

@media(max-width:450px){
    .calculator h1{
    font-size: 40px;

}

.input-box{
     margin-left:-20px;
     display: block;
     width: 90%;
    
 
}

.input-box button{
    display: block;
    margin-top: 20px;
    font-size: 18px;
}
.input-box input{
    display: block;
    padding-right: 40px;
}

}