style.css

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

body {
    background-color: #eee;
}

.app-container {
    display: flex;
    height: 100vh;
}

.shared-features-in-both-sides {
    height: 100%;
    padding: 30px 20px;
}

.left-side {
    width: 25%;
    background-color: white;
    margin-right: 5%;
}

.right-side {
    width: 70%;
}

.right-side .top-part {
    height: 90%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.right-side .button-part {
    height: 10%
}

.dashboard-slot {
    width: 400px;
    height: 300px;
    margin: 20px 10px;
    resize: both;
    overflow: auto;
    position: relative;
}

.widget {
    width: 100%;
    height: 200px;
    position: relative;
}

#countries-chart {
    height: 100%;
    width: 100%;
}

.dashed-border {
    border: 2px dashed #aaa;
    border-radius: 10px;
}

.shadow-box {
    box-shadow: 5px 5px 10px lightblue, -5px -5px 10px lightblue;
}

.blue-icon-container::after {
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    content: "\f055";
    font-size: 40px;
    color: gray;
    left: 50%;
    top: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
}

.button-container {
    width: 80%;
    margin: auto;
}

.button-shared {
    background-color: #0069D9;
    cursor: pointer;
    color: white;
    padding: 10px 15px;
    border: 0;
    border-radius: 5px;
}

.save-button {
    float: right;
}

.details-button {
    float: left;
    text-decoration: none;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
}