html {
    background-color: #84D2F6;
    position: relative;
    margin:0;
    padding:0;
    height:100%;
}

* { box-sizing: border-box; padding: 0; }

*:before,
*:after { box-sizing: border-box; }

body {
    position: relative;
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    display: block;
    min-height: 100vh;
}

#main-wrapper {
    min-height: 100vh;
    display: block;
    position: relative;
}

button:hover {
    background: deepskyblue;
    color: white;
}

button {
    padding: 10px;
    margin-top: 10px;
    margin-right: 0px;
    margin-left: 125px;
    background: #ddd;
    font-size: 17px;
    border: none;
    cursor: pointer;
    border-color: black;
    border-width: thin;
    border-style: solid;
    transition: 0.3s;
}

.btn-link {
    border: none;
    outline: none;
    background: none;
    cursor: pointer;
    color: red;
    padding: 0;
    text-decoration: underline;
    font-family: inherit;
    font-size: inherit;
    transition: 0.3s;
    background-color: none;
}

.btn-link:hover {
  transition: 0.3s;
  color: black;
  background: none;
  background-color: none;
}


.delete-btn {
  float: left;
  display: block;
  margin: 0 auto;
  background-color: DodgerBlue; /* Blue background */
  border: none; /* Remove borders */
  color: white; /* White text */
  padding: 8px 12px; /* Some padding */
  font-size: 12px; /* Set a font size */
  cursor: pointer; /* Mouse pointer on hover */
}

/* Darker background on mouse-over */
.delete-btn:hover {
  background-color: RoyalBlue;
}

.download-btn {
  display: block;
  float: right;
  margin: 0 auto;
  background-color: DodgerBlue; /* Blue background */
  border: none; /* Remove borders */
  color: white; /* White text */
  padding: 8px 12px; /* Some padding */
  font-size: 12px; /* Set a font size */
  cursor: pointer; /* Mouse pointer on hover */
}

/* Darker background on mouse-over */
.download-btn:hover {
  background-color: RoyalBlue;
}

/* Header */

header {
    background-color: #077187;
    padding: 2px;
    font-size: 13px;
    border-bottom: black solid 1px;
}

header p { color: white; }

.headercolumn {
    float: left;
    width: 33.33%;
}

.headercolumn p {
    padding-left: 20px;
    padding-right: 20px;
    transition: 0.3s;
    color: white;
}

.headercolumn p:hover {
    padding-left: 20px;
    padding-right: 20px;
    color: deepskyblue;
    transition: 0.8s;
}

.headercolumn a:link { color: white; transition: 0.3s; text-decoration-line: none; }
.headercolumn a:hover, .headercolumn a:visited:hover { color: deepskyblue; transition: 0.8s; text-decoration-line: underline; }


/* Clear floats after the columns */
.headerrow:after {
    width: 70%;
    content: "";
    display: table;
    clear: both;
}

.aside /*(backup)*/ {
    display: -webkit-flex;
    float: right;
    width: 30%;
    margin: 0 1.5%;
    border: 1px;
    display: block;
    background: #077187;
    text-align: center;
    border-color: black;
    border-width: thin;
    border-style: solid;
    position: relative;
    min-height: 100%
}

.aside a:link, .aside a:focus, .aside a:visited:link, a:default { color: white; transition: 0.3s; text-decoration-line: none; }
.aside a:hover, .aside a:visited:hover { color: deepskyblue; transition: 0.3s; text-decoration-line: none; }

.aside p {color: lightgray;}


.newsaside /*(backup)*/ {
    display: -webkit-flex;
    float: right;
    width: 30%;
    margin: 0 1.5%;
    border: 0px 0px 0px 1px;
    display: block;
    text-align: center;
    border-left-color: black;
    border-left-width: thin;
    border-left-style: solid;
    position: relative;
}

.column {
    float: left;
    width: 33.33%;
    display: block;
    margin: 0 auto;
}

/* Clear floats after the columns */
.row:after {
    margin: 0px auto;
    text-align: center
    width: 70%;
    content: "";
    display: table;
    clear: both;
}

/* Tabelle */

#profiletable {
    font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 100%;
}

#profiletable td, #profiletable th {
    border: 1px solid #ddd;
    padding: 8px;
}

#profiletable tr:nth-child(even){background-color: lightgray; transition: 0.3s;}

#profiletable tr:hover {
    background-color: grey;
    color: white;
}

#profiletable th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color: deepskyblue;
    color: white;
}

#uploadtable {
    font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 100%;
}

#uploadtable td, #uploadtable th {
    border: 1px solid #ddd;
    padding: 8px;
}

#uploadtable tr:nth-child(even){background-color: lightgray; transition: 0.3s;}

/*#uploadtable tr:hover {
    background-color: grey;
    color: white;
}*/
#uploadtable tr {
  text-align: center;
}

#uploadtable th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: center;
    background-color: deepskyblue;
    color: white;
}

.profilesection {
    width: 700px;
    margin: 0 auto;
    background-color: white;
    margin-bottom: 100px;
}
@media screen and (max-width: 320px) { @viewport { width: 320px; }
    .section ul {
        float: left;
        margin-left: 0px;
    }
}

.section p a:link:hover, .section p a:visited:hover { color: deepskyblue; transition: 0.3s;}
.section p a, .section p a:link, .section p a:visited { color: black; transition: 0.8s; }


.section {
    display: -webkit-flex;
    overflow: hidden;
    width: 66%;
    float: left;
    text-align: center;
    display: block;
    position: relative;
    min-height: 100vh;
}

.newsaside ul {
    margin-left: 50px;
    text-align: left;
    padding-top: 30px;
    position:relative;
}

.newsaside ul.h4 { text-align:left; color:black; }

.newsaside ul.p {
    text-align: left;
    font-weight: bold;
}

.newsaside hr {width: 40%;border-top: 1px solid deepskyblue;}

.newsaside li {
    padding-left: 10px;
    padding-top: 10px;
}

#wrapper {
    position: relative;
    min-height: 100%;
    width: 550px;
    margin: 0 auto;
}

#container {
   min-height:100%;
   position:relative;
}

/* Footer */

#botline1 {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    text-align: center;
    background-color: cadetblue;
    height: 50px;
    margin-top: -100px;
    clear: both;
}

#botline {
    background-color: #077187;
    clear : both;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 51px;
    border-top: black solid 1px;
}


#botline p {
  color: white;
}

#botline p a { color: white; transition: 0.3s; }
#botline p a:hover { color: deepskyblue; transition: 0.8s; }
#botline p a:visited:hover { color: deepskyblue; transition: 0.8s; }

#botline1 p {
    color: white;
}

#botline1 p a { color: white; transition: 0.3s; }
#botline1 p a:hover { color: deepskyblue; transition: 0.8s; }
#botline1 p a:visited:hover { color: deepskyblue; transition: 0.8s; }

.footercolumn {
    float: left;
    width: 33.33%;
}

.footercolumn p {
    padding-left: 20px;
    padding-right: 20px;
}


/* Clear floats after the columns */
.footerrow:after {
    width: 70%;
    content: "";
    display: table;
    clear: both;
}

/* Mobile footer*/

@media screen and (max-width: 600px) {
  #botline {
      background-color: #077187;
      clear : both;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      height: 51px;
      border-top: black solid 1px;
  }
  #botline p { color: white; }
  #botline p a { color: white; transition: 0.3s; }
  #botline p a:hover { color: deepskyblue; transition: 0.8s; }
  #botline p a:visited:hover { color: deepskyblue; transition: 0.8s; }
}

.main-wrapper {
    max-width: 300px;
    margin: 0 auto;
    padding-right: 0px;
    padding-left:  0px;
    display: block;
}

.main-wrapper button {
    padding: 10px;
    margin-top: 10px;
    margin-right: 0px;
    margin-left: 0px;
    background: #ddd;
    font-size: 17px;
    border: none;
    cursor: pointer;
    border-color: black;
    border-width: thin;
    border-style: solid;
}

.article {
    -webkit-flex: 3;
    -ms-flex: 3;
    flex: 3;
    padding: 10px;
}


.register input[type=text], input[type=password] {
    padding: 10px;
    margin-top: 20px;
    font-size: 17px;
    border: 1px;
    width: 300px;
    position: center;
    text-align: center;
    border-color: black;
    border-width: thin;
    border-style: solid;
    cursor: text;
}

.register button {
    padding: 10px;
    margin-top: 10px;
    margin-right: 0px;
    margin-left: 0px;
    background: #ddd;
    font-size: 17px;
    border: none;
    cursor: pointer;
    border-color: black;
    border-width: thin;
    border-style: solid;
}

.register button:hover {
    background: deepskyblue;
    color: white;
}

.register a:link, a:visited  { color: black; }

.register a:hover, a:visited:hover  { color: deepskyblue; }


.contact-form input[type=text] {
    padding: 10px;
    margin-top: 5px;
    font-size: 17px;
    border: 1px;
    width: 300px;
    position: center;
    text-align: center;
    border-color: black;
    border-width: thin;
    border-style: solid;
    cursor: text;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

#contact-form input[type=text] {
    padding: 10px;
    margin: 0 auto;
    font-size: 17px;
    border: 1px;
    width: 300px;
    position: center;
    text-align: center;
    border-color: black;
    border-width: thin;
    border-style: solid;
    cursor: text;
    display: block;
}

#contact-form button {
  padding: 10px;
  margin: 0 auto;
  display: block;
  background: #ddd;
  font-size: 17px;
  border: none;
  cursor: pointer;
  border-color: black;
  border-width: thin;
  border-style: solid;
  transition: 0.3s;
}

#contact-form button:hover { background: deepskyblue; color: white; }

.contact-form input[type=file] {
      display: block;
      margin: 0 auto;
      padding: 4px;
      background: #ddd;
      font-size: 17px;
      border: none;
      border-color: black;
      border-width: thin;
      border-style: solid;
      transition: 0.3s;
}

.contact-form textarea {
    padding: 10px;
    margin-top: 5px;
    font-size: 17px;
    border: 1px;
    width: 400px;
    height: 150px;
    text-align: left;
    border-color: black;
    border-width: thin;
    border-style: solid;
    cursor: text;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.contact-form button {
    padding: 10px;
    margin-top: 10px;
    margin-right: 0px;
    margin-left: 125px;
    background: #ddd;
    font-size: 17px;
    border: none;
    cursor: pointer;
    border-color: black;
    border-width: thin;
    border-style: solid;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.contact-form button:hover {
    background: deepskyblue;
    color: white;
}

::-webkit-input-placeholder {
   text-align: center;
}

:-moz-placeholder { /* Firefox 18- */
   text-align: center;
}

::-moz-placeholder {  /* Firefox 19+ */
   text-align: center;
}

:-ms-input-placeholder {
   text-align: center;
}

.ytwidgetmobile { display: none; }

.ytwidgetdesktop iframe { display: block; margin: 0 auto; }

.topnav {
    overflow: hidden;
    background-color: #435367;
    border-bottom: black solid 1px;
}

.topnav a {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    transition: 0.3s;

}

.topnav a:hover, .dropdown:hover .dropbtn {
    background-color: deepskyblue;
    color: white;
}

.topnav a.active {
    background-color: deepskyblue;
    color: white;
}

.topnav .login-container {
    float: right;
}

.topnav input[type=text] {
    padding: 6px;
    margin-top: 8px;
    font-size: 17px;
    border: black solid 1px;
    width: 150px;
    text-align: left;
}

.topnav input[type=password] {
    padding: 6px;
    margin-top: 8px;
    font-size: 17px;
    border: black solid 1px;
    width: 150px;
    text-align: left;
    margin-right: -120px;
}

.topnav .login-container button {
    float: right;
    padding: 6px;
    margin-top: 8px;
    margin-right: 10px;
    background: #ddd;
    font-size: 17px;
    border: black solid 1px;
    cursor: pointer;
}

.topnav .login-container a.username {
    float: left;
    text-align-last: center;
    color: white;
    margin-right: 100px;
    padding: 1px;
    margin-top: -25px;
    margin-bottom: -5px;
    border: none;
    cursor: text;
}


.topnav .login-container button:hover {
    background: deepskyblue;
    color: white;
}

@media screen and (max-width: 600px) {
  .topnav .login-container {
    display: none;
  }
  .topnav input[type=text], .topnav input[type=password], .topnav .login-container button {
    /*float: none;*/
    display: block;
    /*text-align: left;
    */width: 100%;
    margin: 0;/*
    padding: 14px; */
  }
  .topnav input[type=text] {
    border: 1px solid #ccc;
  }
    .topnav input[type=password] {
    border: 1px solid #ccc;
  }
  .ytwidgetmobile { display: block; margin: 0 auto; }
  .ytwidgetdesktop iframe { display: none; }
}

.topnav .icon {
  display: none;
}

@media screen and (max-width: 600px) {
  .topnav a:not(:first-child) {display: none;}
  .topnav a.icon {
    float: right;
    display: block;
  }
  img {
    display: none;
    float: none;
  }
}

@media screen and (max-width: 600px) {
  .topnav.responsive {position: relative;}
  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
  .topnav .login-container.responsive { float: none; display: block; }
  .topnav .dropdown.responsive {float: none; display: inherit;}
  .topnav .dropdown.responsive .dropbtn {float: none; display: inherit;}
}

.downloadbtn {
    background-color: DodgerBlue;
    border: none;
    color: white;
    padding: 12px 30px;
    cursor: pointer;
    font-size: 20px;
    margin: auto;
    display: block;
}

.downloadbtn:hover {
  background-color: RoyalBlue;
}

.dropdown {
    float: left;
    overflow: hidden;
    transition: 0.3s;
}

.dropdown .dropbtn {
    font-size: 16px;
    border: none;
    outline: none;
    color: white;
    padding: 15px 15px;
    background-color: inherit;
    font-family: inherit;
    margin: 0px 0px;
}

.dropdown .dropbtnactive {
    font-size: 16px;
    border: none;
    outline: none;
    color: white;
    padding: 15px 15px;
    background-color: deepskyblue;
    font-family: inherit;
    margin: 0px;
}


.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown-content a {
    float: none;
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {
  background-color: deepskyblue;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.dropbtnactive:hover .dropdown-content {
  display: block;
}

/* width */
::-webkit-scrollbar {
  width: 20px;
}
/* Track */
::-webkit-scrollbar-track {
  box-shadow: inset 0 0 5px grey;
  border-radius: 10px;
}
/* Handle */
::-webkit-scrollbar-thumb {
  background: grey;
  border-radius: 10px;
}
/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
  background: lightgrey;
}

h1 {
    color: black;
    text-align: center;
    font-family: Helvetica, sans-serif;
    font-size: 4em;
}

h2 {
    color: black;
    text-align: center;
    font-family: Helvetica, sans-serif;
    font-size: 2em;
}

h3 {
    color: black;
    text-align: center;
    font-family: Helvetica, sans-serif;
    font-size: 1.5em;
}

h4 {
    color: black;
    text-align: center;
    font-family: Helvetica, sans-serif;
    font-size: 1.2em;
}

p {
    color: black;
    text-align: center;
    font-family: Helvetica, sans-serif;
    font-size: 1em;
}
.rectangle {
  display: inline-block;
  justify-content: center;
  width: 100%;
  height: 50px;
  background-color: red;
}
@media screen and (max-width: 600px) {
  .rectangle {
    height: 70px;
  }
}