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

    transition: all 0.1s linear;
}

div {
    cursor: default;

    -webkit-user-select: none; /* Chrome, Safari, Opera */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* Internet Explorer/Edge */
    user-select: none;
}

span {
    cursor: default;

    -webkit-user-select: none; /* Chrome, Safari, Opera */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* Internet Explorer/Edge */
    user-select: none;
}

input:focus {
    outline: none;
}

@media only screen and (orientation: landscape)  and (min-width: 768px) {
    html {
        position: fixed;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        align-content: center;
        justify-content: center;
        align-items: center;
        background-color: #f6f6f6;
    }

    body {
        position: relative;
        width: 100%;
        height: 100%;
        max-width: calc(100vh / 2);
        box-shadow: 0 1px 10px 0 #43434322;
    }
}