body,
html {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    height: auto;
    min-height: 100%;
}
main {
    margin: 0;
    padding-top: 20px;
    margin-top: 50px;
    flex-wrap: nowrap;
}
nav {
    flex-grow: 1;
    font-size: 0.9em;
    padding: 1.5em;
}
#search {
    display: flex;
    margin-bottom: 1em;
}
#search input {
    flex-grow: 1;
    margin-right: 1em;
    padding-left: 0.6em;
    background: #fdfdfd;
    border: solid 1px #c3c3c3;
    box-shadow: inset 0px 1px 5px rgba(0, 0, 0, 0.5);
    font-size: 1.1em;
}
#search button {
    width: 2em;
    height: 2em;
    padding: 0.4em;
    margin: 0;
}
#search button img {
    width: 100%;
}
#page {
    -webkit-box-flex: 10;
    -ms-flex-positive: 10;
    flex-grow: 10;
    box-shadow: -1px 0px 3px rgba(0, 0, 0, 0.4);
}
#context {
    -webkit-box-flex: 1;
    -ms-flex-positive: 1;
    flex-grow: 1;
    min-width: 200px;
    padding: 1.5em;
    background: #eaeaea;
    background-image: url('../pics/bg.png');
}
#context hr {
    margin-top: 20px;
    margin-bottom: 20px;
    border: none;
    height: 1px;
    background: #bfbfbf;
}
header {
    position: fixed;
}
header section {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin: 15px;
}
header button {
    text-decoration: none;
    width: 40px;
    height: 40px;
    border-radius: 20%;
    text-align: center;
    margin-left: 10px;
    padding: 0;
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.7);
}
header .arrow {
    border: solid black;
    border-width: 0 3px 3px 0;
    display: inline-block;
    padding: 6px;
    vertical-align: 2px;
}
.right {
    transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
    margin-left: -5px;
}
.left {
    transform: rotate(135deg);
    -webkit-transform: rotate(135deg);
    margin-left: 5px;
}
.exercice {
    background: #efefef;
    padding: 1em;
    padding-top: 0.5em;
    padding-bottom: 0.1em;
    border-radius: 10px;
    -webkit-box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.5);
    box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.5);
}
#context .app_icon {
    margin: 0;
    margin-top: 10px;
    margin-right: 5px;
}
.mobileHide {
    display: block;
}
.mobileShow {
    display: none;
}
#impressum {
    max-width: 200px;
}
#impressum p {
    font-size: 0.8em;
}
#context #logo {
    width: 170px;
    padding-bottom: 10px;
    padding-top: 5px;
}
#privacy_policy {
    background: #000;
    color: #fff;
    padding: 1%;
    padding-left: 6%;
    padding-right: 6%;
}
#privacy_policy button#check {
    box-shadow: 0px 0px 0px 2px rgba(255, 255, 255, 0.5);
    margin-left: 2.5em;
    width: 3.5em;
    height: 3.5em;
}
#privacy_policy div {
    display: flex;
    align-items: center;
    max-width: 700px;
}
@media only screen and (max-width:1450px) {
    .mobileHide {
        display: none;
    }
    .mobileShow {
        display: block;
    }
}
@media only screen and (max-width:1000px) {
    main {
        flex-wrap: wrap;
    }
}