:root {
    --main-color: #7676ff;
    --highlight-color: #5e5eff;
    --dark-color: #1c3bcb;
}

body {
    max-width: 1000px;
    height: 800px;
    margin: auto;
}

header {
    margin: 25px;
}

header h1 {
    font-weight: 900;
    color: var(--highlight-color);
}

@media all and (min-width: 768px) {
    .card {
        width: 100%;
    }
}
@media all and (max-width: 767px) {
    .card {
        height: 135px;
        width: 80%;
    }
}
@media all and (max-width: 575px) {
    .card {
        width: 90%;
    }
}

.card {
    -webkit-box-shadow: 5px 5px 14px 2px rgba(14, 14, 14, 0.4); 
    box-shadow: 5px 5px 14px 2px rgba(14, 14, 14, 0.4);
    background-color: var(--main-color);
}

.card:hover {
    background-color: var(--highlight-color);
}

.linked-card {
    cursor: pointer;
}

h4.card-title {
    font-size: 4em;
}

img {
    background-color: #fff;
}

div.image-container {
    height: 175px;
    background-color: #fff;
}

div.image-container img {
    margin-left: auto;
    margin-right: auto;
    height: 100% !important;
}

img.card-img-right {
    max-width: 200px;
    width: 55%;
}