body {
    margin-top: 2rem;
    background-color: #EDECEC;
}

h1 {
    text-align: center;
    font-family: OpenSans, sans-serif;
    font-weight: 700;
    line-height: 2.2rem;
}

p {
    text-align: center;
    font-family: OpenSans, sans-serif;
    line-height: 1.2rem;
}

ul {
    position: relative;
    padding: 0;
    list-style-image: none;
    list-style-type: none;
    width: 100%;
}

ul::after {
    content: "";
    display: table;
    clear: both;
}

li {
    float: left;
    display: block;
    position: relative;
    padding: 0;
    width: 20%;
    text-align: center;
}

li img {
    width: 80%;
}

li p {
    text-align: center;
}

a.btn {
    display: inline-block;
    border-radius: 5px;
    justify-content: center;
    color: white;
    width: 80%;
    padding: 5px;
    font-family: OpenSans, sans-serif;
    text-align: center;
    text-decoration: none;
    margin: auto 0;
}

.edge {
    background-color: #00d3fe;
}

.firefox {
    background-color: #f5aa37;
}

.chrome {
    background-color: #f5c243;
}

.opera {
    background-color: #f76e5b;
}

.safari {
    background-color: #00b0eb;
}

.loesung img {
    text-align: center;
    width: 30%;
    margin-top: 1.5rem;
}

.loesung a {
    display: flex;
    align-items: center;
    justify-content: center;
}