:root {
    --container-bg-color: rgba(54, 64, 66);
    /*#364042*/
    --left-bg-color: rgba(247, 138, 160);
    --left-button-hover-color: rgba(196, 33, 66);
    --right-bg-color: rgba(75, 207, 246);
    /*#4BCFF6*/
    --right-button-hover-color: rgba(19, 158, 199);
    /*#139EC7*/
    --hover-width: 75%;
    --hover-remove: 25%;
    --speed: 1000ms;
}

html,
body {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
    width: 100%;
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: black;
}

.button {
    top: 50%;
    left: 50%;
    position: relative;
    display: block;
    width: 90px;
    text-align: center;
    color: white;
    border: 2px solid #fff;
    padding: 15px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transform: translateX(-50%);
}

.split.left h1 {
    color: #fff;
    white-space: nowrap;
    transform: rotateX(-50%);
    font-size: 25px;
    top: 30%;
    left: 50%;
    position: absolute;
    margin-left: -54px;
}

.split.right h1 {
    color: #fff;
    white-space: nowrap;
    transform: rotateX(-50%);
    font-size: 25px;
    top: 30%;
    left: 50%;
    position: absolute;
    margin-left: -64px;
}

.split.left .button:hover {
    background-color: #139EC7;
    border-color: #139EC7;
}

.split.right .button:hover {
    background-color: #c42142;
    border-color: #c42142;
}

.container {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: #364042;
}

.split {
    position: absolute;
    width: 50%;
    height: 100%;
    top: 0;
    overflow: hidden;
}

.split.left {
    left: 0;
    background-color: #4BCFF6;
    background-size: cover;
    transition: 1s;
}

.split.right {
    right: 0;
    background-color: #f78aa0;
    background-size: cover;
    transition: 1s;
}

.hover-left .left {
    width: 75%;
    z-index: 2;
}

.hover-left .right {
    width: 25%;
    opacity: 0.6;
}

.hover-right .left {
    width: 25%;
    opacity: 0.6;
}

.hover-right .right {
    width: 75%;
    z-index: 2;
}

@media(max-width: 300px) {
    h1 {
        display: none;
    }
}

@media(max-height: 200px) {
    .button {
        top: 50%;
    }
    h1 {
        display: none;
    }
}