body {
    height: 100vh;
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;
    gap: 2em;
}

.container {
    width: 20%;
    height: 60%;
    display: flex;
    flex-flow: column nowrap;
    gap: 0.2em;
    background-color: green;
    padding: 0.4em;
    border-radius: 4px;
}

@media only screen and (max-width: 600px) {
    .container {
      width: 80%;
    }
  }

.screen {
    box-sizing: border-box;
    width: 100%;
    padding: 1.2em 0.2em;
    height: 1em;
    color: yellow;
    font-family: 'Play', sans-serif;
    font-size: 2.4em;
    background-image: url(./images/screen-bg.webp);
    display: flex;
    align-items: center;
    border-radius: 8px;
}

.top-row{
    display: flex;
    align-items: stretch;
    justify-content: space-between;
}

.pad {
    flex: 1;
    display: flex;
    gap: 0.2em;
}

.numpad {
    display: flex;
    flex: 1 0 75%;
    flex-flow: row wrap;
    gap: 0.2em;
}

.num, .equals, .dot {
    cursor: pointer;
    flex: 1 0 28%;
    border: 2px solid grey;
    border-radius: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.num {
    background-color: aqua;
    font-weight: 800;
}

.num:active {
    background-color: #ada819;
    transform: translateY(1px);
  }
.operator, .equals, .dot{
    background-color: rgb(127, 127, 241);
    color: rgb(255, 255, 255);
    font-weight: 800;
}

.dot:active, .equals:active {
    background-color: #0a1256;
    transform: translateY(1px);
}

#clear:active{
    background-color: #3e082d;
    transform: translateY(1px);
}

.op-selected{
    background-color: rgb(5, 5, 159);
}

.operators {
    flex: 1 0 25%;
    align-items: stretch;
    display: flex;
    flex-flow: column nowrap;
    gap: 0.2em;
}

.operator {
    flex: 1;
    cursor: pointer;
    border: 2px solid grey;
    border-radius: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.unselectable {
    -moz-user-select: -moz-none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
    user-select: none;
}

#clear {
    flex: 0 0 24%;
    cursor: pointer;
    border: 2px solid grey;
    border-radius: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    background-color: red;
}

#backspace {
    color: yellow;
    padding: 0.2em 0.4em;
}

#backspace:active{
    transform: translateY(1px);
}