HeckItUp.css

@import url('https://rsms.me/inter/inter.css');
html { font-family: 'Inter', sans-serif; }

@supports (font-variation-settings: normal) {
  html { font-family: 'Inter var', sans-serif; }
}
input[type="file"] {
    display: none;
}

.center{
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 260px;
}

.cancel button{
    border-radius: 0 25px;
    color:black;
    background-color: #c4aed4;
    transition: all 1s;
}

.cancel button:hover{
    border-radius: 25px 0;
    transition: all 1s;
}

#zero {
    font-size:2.5em;
    font-weight: bold;
    text-align:center;
    margin:100px
}

#one{
    position: relative;
    width: 250px;
    margin: 20px auto;
}

#numberOfTerms{
    width:100%;
    font-size:1.5em;
}

.main{
    border: rgb(196, 174, 212) 20px solid;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    background-color: #f2f2f2;
}

button{
    background-color: #000;
    border-radius: 25px 0;
    color: white;
    font-size: 2em;
    font-weight: bold;
    padding: 16px 32px;
    width: 100%;
    text-decoration: none;
    margin: 4px 2px;
    cursor: pointer;
    transition: all 1s;
}

button:hover{
    border-radius: 0 25px;
    transition: all 1s;
}

label{
    font-size: 3em;
}

.custom-file-upload {
    border: 1px solid;
    border-radius: 25px 25px;
    color: black;
    cursor: pointer;
    font-size: 1em;
    font-weight: bold;
    justify-content: center;
    margin: auto;
    padding: 5px 43px;
    text-align: center;
    text-decoration: none;
    transition: all 1s;
    width: 100%;
}