body {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100vh;
    font-family: 'Montserrat', sans-serif;
    font-family: 'Poppins', sans-serif;
    font-family: 'Roboto', sans-serif;
    background-color: #2c42511e;
}

a {
    color: white;
    text-decoration: none;
}

.navbar,
.footer {
    display: flex;
    font-weight: bold;
    background-color: #E63946;
    height: 80px;
    align-items: center;
    width: 100vw;
    justify-content: center;
    color: black;
    color: white;
}

.footer {
    height: 30px;
}

.logo {
    font-weight: bolder;
    font-size: 40px;
    font-style: italic;
    transition-duration: 0.2s;
    animation-duration: 0.2s;
}

.logo:hover {
    cursor: pointer;
    text-shadow: 10px 0 20px rgba(255, 255, 255, 0.9);
}

.container {
    display: flex;
    width: 100vw;
    height: 100vh;
    align-items: center;
    justify-content: center;
}

.footer {
    font-style: italic;
}

.calculator {
    display: flex;
    flex-wrap: wrap;
    background-color: #F1FAEE;
    min-height: 700px;
    flex-basis: 600px;
    box-shadow: 0 10px 15px 0 rgba(0,0,0,.2);
    align-items: center;
    justify-content: center;
    gap: 30px;
    padding: 30px;
    border: solid;
    border-radius: 12px;
}

.keys,
.clear,
.operator,
.equal {
    display: flex;
    background-color: white;
    min-width: auto;
    min-height: 70px;
    flex-basis: 20%;
    padding: 0;
    margin: 0;
    box-shadow: 0 10px 15px 0 rgba(0,0,0,.2);
    font-size: 30px;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border: solid;
    animation-duration: 0.3s;
    transition-duration: 0.2s;
    background-color: #A8DADC;
    border-radius: 12px;
}

.keys:hover,
.clear:hover,
.operator:hover,
.equal:hover {
    scale: 1.1;
    box-shadow: 0 10px 15px 0 rgba(255,255,255,.2);
    cursor: pointer;
}

.screen {
    display: flex;
    flex-basis: 98%;
    min-height: 90px;
    min-width: auto;
    border: solid;
    background-color: white;
    box-shadow: 0 10px 15px 0 rgba(0,0,0,.2);
    font-size: 60px;
    align-items: center;
    justify-content: flex-end;
    padding: 0px 12px;
}