html, body {
    height: 100%;
    padding: 0;
    margin: 0;
    font-family: Karla, Avenir Next;
}

/* --------------------------------------------------------------------------------------------------- */

#header {
    width: 100%;   
    height: 50px;
    border-bottom: 0.5px solid black;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

#header #logo {
    margin: auto 20px;
}

#header #selector {
    margin: auto 0;
    border: none;
    font-family: Karla, Avenir Next;
    outline: none
}

#header #go-home {
    margin: auto 20px;
}

/* --------------------------------------------------------------------------------------------------- */

#container {
    width: 840px;
    height: 640px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
    margin: 0 auto;
}

.card {
    width: 190px;
    height: 190px;
    border-radius: 7px;
    margin: 5px;
    padding: 5px;
    color: white;
    background-color: #2e86de;
    display: flex;
    text-align: center;
}

.card .card-title {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    margin: auto auto;
}

.card:hover {
    opacity: 0.6;
    cursor: pointer;
    transition: 0.5s;
}