evaluation.css

body {
    background-color: #ddd;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.xaxis {
    position: absolute;
    height: 50%;
    width: 100%;
    z-index: 1;
    border-bottom: 1px solid #777;
}

.yaxis {
    position: absolute;
    height: 100%;
    width: 50%;
    z-index: 1;
    border-right: 1px solid #777;
}

.xplus {
    position: absolute;
    font-size: 2rem;
    top: 50%;
    left: calc(50% + 250px + 3px);
    transform: translate(0, -50%);
    z-index: -1;
    color: #777;
    cursor: initial;
}

.xminus {
    position: absolute;
    font-size: 2rem;
    top: 50%;
    left: calc(50% - 250px - 3px);
    transform: translate(-100%, -50%);
    z-index: -1;
    color: #777;
    cursor: initial;
}

.yplus {
    position: absolute;
    font-size: 2rem;
    top: calc(50% - 250px - 0px);
    left: 50%;
    transform: translate(-50%, -100%);
    z-index: -1;
    color: #777;
    cursor: initial;
}

.yminus {
    position: absolute;
    font-size: 2rem;
    top: calc(50% + 250px + 0px);
    left: 50%;
    transform: translate(-50%, 0);
    z-index: -1;
    color: #777;
    cursor: initial;
}

#main-container {
    position: relative;
    height: 60vh;
    width: 100%;
}

#movie {
    position: fixed;
    top: 0;
    left: 0;
    object-fit: contain;
    width: 100vw;
    height: 100vh;
    vertical-align: bottom;
    background-color: black;
    /* position: absolute;
    width: 1200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 1s 1s linear; */
}

#russell {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    visibility: hidden;
    opacity: 0;
    transition: all 0.5s 0s linear;
}

#russell-rec {
    position: absolute;
    width: 500px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border: 2px solid black;
    cursor: crosshair;
}

#btn-next-back-group {
    visibility: hidden;
    opacity: 0;
    transition: all 0.5s 5s linear;
}

#russell-point {
    position: absolute;
	width: 5px;
	height: 5px;
	border-radius: 50%;
    background: red;
}

.ended {
    visibility: hidden !important;
    display: block;
    opacity: 0;
}

#russell.active, #btn-next-back-group.active {
    visibility: visible;
    opacity: 1;
}