index.css

*,body{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
:root{
    --primary-color: #50B498;
    --secondary-color: #9CDBA6;
    --text-primary-color: #000000;
    --text-secondary-color:#FFFFFF;
    --focus-primary-color:#468585;
    --paragraph-secondary-color:rgb(113, 110, 110);
}
body{
    font-family: "Inter", sans-serif;
    line-height: 1.6;
    background-color: var(--secondary-color);
}
button{
    background-color: var(--primary-color);
    color: var(--text-secondary-color);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
}
input{
    padding: 7px 5px;
    border: 2px solid var(--text-primary-color);
    outline: none;
    border-radius: 5px;
}


.container{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.card{
    background-color: white; 
    padding: 3rem;
    border-radius: 5px;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;     
    display: flex;
    justify-content: center;
    align-items: center;          
    flex-direction: column;                      
}
.card-container{
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.header-txt-box > span{
    font-weight: 600;
    font-size: 1.2rem;
}
.header-txt-box > p{
    color: var(--paragraph-secondary-color)
}
.input-box {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.calculate-box{
    display: flex;
    justify-content: space-between;
}
.ans-txt{
    font-weight: 600;
}
.ans-txt > span{
    color: var(--primary-color);
}