main.css

* {
    margin: 0;
    padding: 0;
    font-family: Darker Grotesque;
    
}

body {
    background-color: #feca57;
}

.grid {
    display: grid;
}

header {
    margin-bottom: 50px;
    text-align: center;
}

header > h1{
    color: #ff6b6b;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bolder;
    font-size: 3em;
    padding: 30px 0;
}

#calculater {
    margin: auto;
    width: 300px;
    border: 5px solid #ff6b6b;
    overflow: hidden;
    font-size: 2em;
}

#numberfield {
    grid-template-columns: repeat(4,1fr);
    grid-template-rows: repeat(5,1fr);
    height: 400px;
    border-top: 5px solid #ff6b6b;
}

#numberfield > button {
    font-size: 20px;
    font-weight: bolder;
    color: #5f27cd;
    background-color: #f7f1e3;
    border: none;

}

#display {
    background-color: #f7f1e3;
    overflow: hidden;
}

#output{
    overflow: scroll;
    padding: 20px 20px;
    min-height: 55px;
    font-size: 1.2em;
    font-weight: bolder;
    color: #5f27cd;
}


#equals {
    grid-column: 3/5;
}