.main-area {
    width: 100%;
    height: 100%;
}

.main-area img {
    max-height: 100%;
}
.wrapper,
.square-holder {
    width: 100%;
    height: 100%;
    position: relative;
}

.square-element,
.text-element,
.line-element,
.element-wrapper {
    position: absolute;
}

.square-element {
    display: flex;
    justify-content: center;
    align-items: center;

    font-weight: bold;

    padding: 1px;

    cursor: pointer;

    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.text-element {
    display: flex;
    justify-content: center;
    align-items: center;

    font-weight: bold;
}

.text-element input[type="text"] {
    position: absolute;
    width: 100%;
    bottom: 0;

    font-weight: bold;

    background: transparent;
    border-width: 0px;
    border: none;
    outline: none;
}

.text-element input[type="text"]:focus {
    outline: none;
}

.line-element {
    transform: scaleX(0.9) translateY(-50%);
    display: none;
}

.normal-img,
.active-img {
    position: absolute;
    height: 100%;
}

.active-img {
    display: none;
}