.container{
    width: 100%;
    background: linear-gradient(135deg,#4203a9,#90bafc);
    color: #fff;
    min-height: 100vh;
    padding: 100px;
}
.calculator{
    margin-top: 10px;
    margin-left: 10px;
    border:5px ridge rgb(132, 22, 22);
    border-radius: 0 60px 0 60px;
    width: 100%;
    max-width: 600px;
    padding: 60px;
}
.calculator h1{
    font-size: 50px;
}
.calculator h1 span{
    color:#ffff76;
}
*{
    margin:0;
    padding:0;
    font-family: 'Poppins',sans-serif;
    box-sizing: border-box;
}
.input-box{
    border-radius: 10px;
    padding: 35px;
    background:rgba(255, 255, 255, 0.3);
    margin:40px 0;
    display: flex;
    align-items: center;
}
.input-box input{
    flex:1;
    margin-right:20px;
    padding: 14px 20px;
    border:0;
    border-radius: 20px;
    position: relative;
    font-size: 14px;
    outline:0; 
}
.input-box button{
    padding: 15px 30px;
    border:0;
    border-radius: 5px;
    background: #ffff76;
    font-weight: 600;
    outline:0; 
    cursor: pointer;
    color:#333;
}
.input-box input::-webkit-calendar-picker-indicator {
    
    top:0;
    left:0;
    right: 0;
    bottom: 0;
    background-position: calc(100% - 10px); 
    background-size: 30px;
    
    /* Ensure parent input has position: relative for this to work */
    position: absolute;
    right: 0; 
    width: auto; 
    height: auto;
    cursor: pointer;
}
#cal-btn:hover{
    box-shadow: 0 4px 8px 0;
}
#reset-btn:hover{
    box-shadow: 0 4px 8px 0;
}
#date:hover{
    box-shadow: 0 4px 8px 0;
}
#result{
    font-weight: 600;
    font-size: 16px;
}
#result span{
    color: #ffff76;
}