body {
    margin: 0 auto 0 auto;
    text-align: center;
    width: 550px;
    height: 100vh;
    font-family: Inter, sans-serif;
    overflow: hidden;
    background-color: #0F172A;
}
#card {
    background-color: #1F2937
}

#container-top {
    background-color: #6943FF;
    margin: 0;
    color: white;
}
#container-top h1 {
    margin-top: 0;
    padding-top: 30px; /* you can keep some spacing inside */
}

#container-bottom {
    background-color: #1F2937;
    margin: 0;
}
h3 {
    margin: 0;
    padding-top: 30px;
    color: #CCC1FF;
}
#input{
    font-size: 58px;
    color: #ffffff;
    font-weight: bolder;
    width: 117px ;
    height: 83px;
    border: 2px solid #B295ff;
    border-radius: 5px;
    text-align: center;
    background-color: #6943FF;
}
button{
    font-family: Inter, sans-serif;
    background-color: white;
    width: 117px ;
    height: 42px;
    border: none;
    border-radius: 5px;
    text-align: center;
    margin: 25px;
    color: #3d3d3d;
    padding: 6px 12px;
    font-size: 16px;
}
button:hover{
    background-color: #F0E4D3;
}
h1{
    font-size: 28px;
    padding-top: 35px;
    padding-bottom: 10px;
    font-weight: bolder;
}
p{
    font-size: 14px;
    padding-top: 0;
    padding-bottom: 25px;
    font-weight: normal;
    color: white;
    line-height: 20px;
}
.output-container{
    background-color: #273549;
    margin: 23px;
}
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type=number] {
    -moz-appearance: textfield;
}
#footer {
    bottom: 10px;
    font-size: 14px;
    background: transparent;
    white-space: nowrap;
    padding-top: 14px;
    padding-bottom: 10px;
}
.designer {
    color: #B295ff;
    margin-right: 4px;
}

#link {
    color: #CCC1FF;
    text-decoration: none;
}

#link:hover {
    text-decoration: underline;
}