* {
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: rgb(253, 253, 253);
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    overflow-y: auto;
}

.back {
    position: fixed;
    top: 0;
    left: 0;
    padding: 10px;
    display: flex;
    flex-direction: row-reverse;
    gap: 2px;
    align-items: center;
    justify-content: center;
    color: rgba(75, 126, 236, 0.7);
    font-size: 18px;
}

.back svg {
    width: 22px;
    height: 22px;
    display: inline-block;
    stroke-width: 2;
    vertical-align: middle;
}

.back:hover {
    cursor: pointer;
    color: rgba(75, 126, 236, 1);
}

.content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-height: 70vh;
    width: 100%;
    overflow-y: auto;
    padding-bottom: 40px;
}

.behind {
    background-color: rgba(21, 89, 235, 0.7);
    width: 25vw;
    height: 60vh;
    display: flex;
    flex-direction: column;
    box-shadow: 5px 10px 10px rgba(75, 126, 236, 1);;
    border-radius: 20px;
}

.monitor {
    display: flex;
    width: 100%;
    height: 25%;
    justify-content: center;
    align-items: center;
    background-color: rgba(75, 126, 236, 0.7);
    border-radius: 20px 20px 0px 0px;
}

.actual_monitor {
    width: 80%;
    height: 65%;
    align-items: center;
    border-radius: 20px 20px 0px 0px;
    user-select: none;
    -webkit-user-select: none;
}

.actual_monitor input {
    user-select: none;
    -webkit-user-select: none;
}

#data {
    width: 100%;
    height: 100%;
    border-radius: 5px;
    background-color: rgb(101, 101, 101);
    border: none;
    font-size: 50px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

#data:focus {
    border: none;
}

.board {
    width: 100%;
    height: 75%;
    display: flex;
    justify-content: center;
    justify-items: center;
    align-items: center;
    background-color: rgba(75, 126, 236, 0.7);
    border-radius: 0px 0px 20px 20px;
}

.actual_board {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 80%;
    height: 90%;
    border-radius: 0px 0px 20px 20px;
}

.line {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    justify-items: center;
    align-items: center;
    width: 100%;
    height: 17%;
}

button {
    width: 60px;
    height: 60px;
    color: rgba(75, 126, 236, 1);
    border-radius: 6px;
    font-size: xx-large;
    border: none;
    background-color: rgb(249, 249, 249);

    transition: transform 0.3s ease-in-out;
    will-change: transform;
    transform-origin: center;
}

#plus {
    width: 120px;
    background-color: rgb(117, 159, 252);
    color: white;
    border: none;
}

#on {
    background-color: rgba(117, 159, 252, 0.775);
    color: white;
    border: none;
}

button:hover {
    width: 60px;
    height: 60px;
    border-radius: 6px;
    font-size: xx-large;
    border: none;
    background-color: rgb(223, 223, 223);
    cursor: pointer;
}

#plus:hover {
    width: 120px;
    background-color: rgba(117, 159, 252, 0.775);
    color: white;
    border: none;
}

#on:hover {
    background-color: rgb(63, 108, 205);
    color: white;
    border: none;
}

button:active {
    width: 60px;
    height: 60px;
    border-radius: 6px;
    font-size: xx-large;
    border: none;
    background-color: rgb(200, 200, 200);
    cursor: pointer;
    transform: scale(0.95);
    transition: transform 0.3s;
}

#plus:active {
    width: 120px;
    background-color: rgba(117, 159, 252, 0.775);
    color: white;
    border: none;
    scale: 0.95;
}

#on:active {
    background-color: rgb(16, 92, 255);
    color: white;
    border: none;
    scale: 0.95;
}

.screenON {
    color: rgba(75, 126, 236, 1);
    box-shadow: 0px 4px 8px 0px rgba(75, 126, 236, 1);
}

.about {
    padding-top: 20px;
    text-align: center;
    color: rgba(75, 126, 236, 0.7);
    font-size: 18px;
}

h4 {
    font: italic 18px Arial, Helvetica, sans-serif;
    color: rgba(75, 126, 236, 0.7);
    font-weight: 100;
}