input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}

body {
  background-color: #2e9afe;
  -ms-user-select: None;
  -moz-user-select: None;
  -webkit-user-select: None; 
}
input[type="checkbox"] {
    display: none;
}

input[type="checkbox"] + label span {
    display: inline-block;
    width: 65px;
    height: 65px;
    background: url(img/unchecked.png);
    cursor: pointer;
}

input[type="checkbox"]:checked + label span {
    background: url(img/checked.png);
}

.buttons_design {
  width: 140px;
  height: 40px;
  font-size: 1.3em;
  background-color: #0066ff;
  -webkit-border-radius:0;
  -webkit-appearance: none;
}
#ausloesen_btn {
  position: absolute;
  margin-top: 340px;
  margin-left: 450px;
}

#checkbox_btn_mal {
  position: absolute;
  margin-top: 430px;
  margin-left: 310px;
  z-index: 2;
}
#checkbox_btn_durch {
  position: absolute;
  margin-top: 430px;
  margin-left: 460px;
  z-index: 2;
}
#checkbox_btn_gemischt {
  position: absolute;
  margin-top: 430px;
  margin-left: 610px;
  z-index: 2;
}

a {
  font-family: Arial,Helvetica,sans-serif;
  font-weight: inherit;
  color: white;
  text-decoration: none;
}
a:active {
  font-family: Arial,Helvetica,sans-serif;
  font-weight: inherit;
  color: white;
  text-decoration: none;
}
a:visited {
  color: white;
  font-family: Arial,Helvetica,sans-serif;
  text-decoration: none;
  font-weight: inherit;
}
a:hover {
  color: #ffff00;
  font-family: Arial,Helvetica,sans-serif;
  font-weight: inherit;
  text-decoration: none;
}
#aufgabe {
  margin-top: 232px;
  width: 500px;
  position: absolute;
  margin-left: 150px;
  height: 50px;
  font-size: 4em;
  z-index: 1;
}
#htmleingabe {
  height: 80px;
  width: 250px;
  background-color: white;
  font-size: 4em;
  position: absolute;
  margin-left: -51px;
  z-index: 0;
  font-family: Arial,Helvetica,sans-serif;
  -moz-appearance:textfield;
}
#Zeiteingabe {
  height: 30px;
  width: 80px;
  background-color: white;
  font-size: 1.3em;
  text-align: center;
  position: absolute;
}
#tickcontainer {
  position: absolute;
  margin-left: 480px;
  margin-top: 340px;
}
#crosscontainer {
  margin-top: 340px;
  position: absolute;
  margin-left: 480px;
}
#eingabefeld {
  margin-top: 339px;
  position: absolute;
  margin-left: 200px;
}
#punkte {
  margin-top: 500px;
  font-size: 1.2em;
  position: absolute;
  margin-left: 120px;
}
#fehler {
  margin-left: 120px;
  margin-top: 530px;
  position: absolute;
  font-size: 1.2em;
}
#uebung {
  font-family: Arial;
  margin-left: 14px;
  position: absolute;
  width: 800px;
  height: 600px;
  background-color: #0066ff;
  left: 50%;
  margin-top: 50px;
  margin-left: -400px;
}

#Zeittintenfisch {
  position: absolute;
  width: 800px;
  background-color: #0066ff;
  margin-top: 0px;
  margin-left: 0px;
  height: 600px;
  background-image: url(img/tintenfisch.png);
  z-index: 3;
}

#punktetitel {
  margin-left: 50px;
  margin-top: 500px;
  position: absolute;
  font-size: 1.2em;
}
#fehlertitel {
  position: absolute;
  margin-top: 530px;
  margin-left: 50px;
  font-size: 1.2em;
}
#titel {
  font-weight: bold;
  color:#ffff00;
  font-size: 2.5em;
  position: absolute;
  margin-top: 35px;
  margin-left: 50px;
}
#grafik {
  background-image: url(img/schildkroete.png);
  background-position:  center center;
  position: absolute;
  width: 200px;
  height: 150px;
  margin-top: 69px;
  margin-left: 509px;
}
#menu {
  margin-top: 220px;
  margin-left: 40px;
  font-size: 1.2em;
  position: absolute;
  width: 700px;
  height: 280px;
  line-height: 1.5em;
}
#zurueck {
  margin-top: 536px;
  font-size: 1.3em;
  margin-left: 684px;
  position: absolute;
  font-weight: bold;
}
#titelerklaerungen {
  margin-top: 250px;
  position: absolute;
  margin-left: 75px;
  font-family: Arial,Helvetica,sans-serif;
  font-size: 1.8em;
  background-color: white;
  line-height: 2em;
  height: 250px;
  padding-top: 10px;
  padding-left: 20px;
  width: 630px;
}
#copyright {
  position: absolute;
  width: 200px;
  margin-top: 570px;
  margin-left: 300px;
  font-size: 0.9em;
  text-align: center;
}
.checkboxaussehen {
  border-bottom-style: dotted;
  width: 18px;
}
#Zeitanzeige {
  position: absolute;
  margin-top: 170px;
  margin-left: 150px;
  font-size: 1.5em;
  color: white;
}
#basisinfo {
  font-family: Arial;
  position: absolute;
  width: 800px;
  height: 50px;
  margin-top: 610px;
}
#username {
  font-family: Arial;
  position: absolute;
  width: 250px;
  height: 50px;
  color:red;
}
#uebungslink {
  font-family: Arial;
  position: absolute;
  width: 250px;
  height: 50px;
  margin-left: 275px;
  text-align: center;
}
#logout {
  font-family: Arial;
  position: absolute;
  width: 250px;
  height: 50px;
  margin-left: 550px;
  text-align: right;
}