* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(to bottom, rgb(60, 60, 60), rgb(20, 20, 20));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

}

.links {
    margin-top: 10px;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-family: 'Courier New', Courier, monospace;
}

.links a {
    color: rgba(200, 200, 200, 1);
}

.container {
    border: 1px solid rgba(200, 200, 200, 1);
    border-radius: 20px;
    position: relative;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* top: 50%; */
    /* left: 50%; */
    /* transform: translate(-50%, -50%); */
    width: 325px;
}

.screen {
    width: 100%;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    font-size: 3rem;
    height: 80px;
    border: none;
    background-color: transparent;
    color: rgba(200, 200, 200, 1);
    text-align: right;
    padding-right: 20px;
    padding-left: 10px;
}

button {
    height: 60px;
    border-radius: 20px;
    border: 1px solid rgba(200, 200, 200, 1);
    background-color: rgba(0,0,0,0.3);
    font-size: 2rem;
    color: rgba(200, 200, 200, 1);
}

button:hover {
    background-color: rgb(220, 220, 220);
    color: rgb(30, 30, 30);
}

button:active {
    background-color: rgba(180,180,180,.5);
}

.all-clear:hover {
    background-color: rgba(241, 115, 119, 0.5);
}

.equal-sign {
    height: 100%;
    grid-area: 2/4/6/5;
}

.equal-sign:hover {
    background-color: rgba(78, 159, 212, .5);
}

.keys {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    padding: 10px;
}