body {
    height: calc(100vh -2rem);
    width: calc(100vw - 1rem);
    padding-top: 1rem;
    padding-left: 0;
    padding-right: 0;
    padding-bottom: 2rem;
    background: fixed no-repeat linear-gradient(to bottom, #cef 75%, #ce8 90%);
    display: flex;
    align-items: center;
    justify-content: space-around;
    z-index: 1;
}

.content {
    margin: auto;
    background-color: #fff8;
    color: #080;
    box-shadow: 0 0.4rem 0.6rem #7858;
    border-radius: 0.4rem;
    z-index: 3;
}

.sun {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    z-index: 2;
}

 h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.3rem;
}

a {
    text-decoration: none;
    text-align: center;
    color: #4c0;
}

a:hover,
a:focus,
a:active {
    color: #5e0;
}

hr {
    color: #4c02;
    box-shadow: none;
}

.mittig {
    text-align: center;
    align-content: center;
    color: #d50;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.mittig a {
    background-color: #4cf2;
    box-shadow: 0 0.1rem 0.2rem #7858;
    border-radius: 0.3rem;
    padding: 0.5rem;
    min-width: 11rem;
    width: 17rem;
}

.mittig a:hover,
.mittig a:focus,
.mittig a:active {
    background-color: #7f22;
}

.bold {
    font-weight: bold;
}

.freizeich {
    font-size: 38%;
    line-height: 100%;
}

/* Responsive */
@media screen and (max-width: 32rem) {
    body {
    }
    .sun {
        background: radial-gradient(circle at 95% 5%, #fffaceff 4%, #fe5f 11%, #fff0 13%);
    }
   .content {
        width: calc(70% - 1rem);
        padding: 0.5rem;
    }
    ul {
        padding-left: 1rem;
    }
}

@media screen and (min-width: 32rem) {
    body {
    }
    .sun {
        background: radial-gradient(circle at 95% 5%, #fffaceff 2%, #fe5f 8%, #fff0 10%);
    }
   .content {
        width: calc(80% - 4rem);
        max-width: 64rem;
        padding: 2rem;
    }
}