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Timeline by using HTML/CSS only

15. Januar 2022 Css, Dev by Volkan Bektas

HTML:

<!DOCTYPE html>
<html lang="de">
<head>
    <link rel="stylesheet" href="./timeline.css">
</head>
<body>
    <div class="timeline">
        <div class="container left">
            <div class="content">
                <h2>Jan. 2022</h2>
                <p>Some content here...</p>
            </div>
        </div>
        <div class="container right">
            <div class="content">
                <h2>Dec. 2021</h2>
                <p>Some content here...</p>
            </div>
        </div>
        <div class="container left">
            <div class="content">
                <h2>Aug. 2021</h2>
                <p>Some content here...</p>
            </div>
        </div>
    </div>
</body>
</html>

CSS:

:root {
    --primary: #0F9097;
    --primary-darken: #09575b;

}

* {
    box-sizing: border-box;
}

body {
    background-color: #333;
    font-family: Arial;
    color: #fff;
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: white;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.container {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}

.container::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: var(--primary);
    border-width: 4px;
    border-style: solid;
    border-color: var(--primary-darken);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.left {
    left: 0;
}

.right {
    left: 50%;
}

.left::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    right: 30px;
    border: medium solid var(--primary);
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent var(--primary);
}

.right::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    left: 30px;
    border: medium solid var(--primary);
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--primary) transparent transparent;
}

.right::after {
    left: -16px;
}

.content {
    padding: 20px 30px;
    background-color: var(--primary);
    position: relative;
    border-radius: 6px;
    transition: background-color .5s;
}

.content:hover {
    background-color: var(--primary-darken);
    box-shadow: 5px 5px 5px #333333;
}

@media screen and (max-width: 600px) {
    .timeline::after {
        left: 31px;
    }

    .container {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .container::before {
        left: 60px;
        border: medium solid white;
        border-width: 10px 10px 10px 0;
        border-color: transparent white transparent transparent;
    }

    .left::after, .right::after {
        left: 15px;
    }

    .right {
        left: 0%;
    }
}

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