body {
    background-color: lightgray;
	font-family: Arial, Verdana, sans-serif;
    position: relative;
    height: 630px;
}

#tahta {
    font-size: 200%;
    background-color: white;
    border: 3px outset gray;
    border-radius: 10px;
    position: absolute;
    top: 70px;
    width: 1000px;
    height: 500px;
    padding: 10px;
}

#tahtaCizim {
    position: absolute;
    top: 80px;
    left: 10px;
    width: 1000px;
    height: 500px;
	touch-action: none;
    z-index: 999999999 !important;
}

#tahta input, #tahta button {
    font-size: 100%;
}

#tahta input[type="checkbox"],#tahta input[type="radio"] {
    width: 30px;
    height: 30px;
}

#siniflar {
    position: absolute;
    top: 70px;
    left: 1040px;
    width: 300px;
    height: 515px;
    overflow: auto;
    z-index: 0 !important;
}

h1 {
    padding-left: 40px;
    height: 40px;
    font-family: "Comic Sans MS";
    background: url("resimler/logo.png") no-repeat;
}

#kalem,#silgi,#cetvel,#tahtaTemizlemeyiGeriAl,#video,#onceki,#tahtaCizimiTemizle {
    position: absolute;
    top: 600px;
    border: 1px solid transparent;
    cursor: pointer;
    z-index: 999999999 !important;
}

div[id^="renk"],div[id^="cizgiStili"] {
    position: absolute;
    top: 600px;
    width: 20px;
    height: 20px;
    border: 5px solid transparent;
    cursor: pointer;
    text-align: center;
    z-index: 999999999 !important;
}

#kalemUcu {
    position: absolute;
    top: 605px;
    left: 390px;
    border: 1px solid gray;
    width: 100px;
    z-index: 999999999 !important;
}

#sonraki {
   position: absolute;
   top: 590px;
   left: 1000px;
   cursor: pointer;
   z-index: 99999999;
}

#dersVideo {
    position: absolute;
    top: 100px;
    left: 300px;
    width: 480px;
    height: 360px;
}

#videoyuKapat {
    position: absolute;
    top: 110px;
    left: 760px;
    cursor: pointer;
}

#tahtaCizimiKapat {
    position: absolute;
    top: 605px;
    left: 600px;
    cursor: pointer;
    z-index: 999999999 !important;
}

div[id^="sinif"] ul li {
    color: white;
    padding: 5px;
    border: 1px solid green;
	border-radius: 5px;
	background-color: green;
	cursor: pointer;
    margin-bottom: 5px;
}

.secilen {
    border-color: red !important;
    background-color: red !important;
}

@keyframes son {
    from {opacity: 1;z-index: 99;}
    to {opacity: 0;z-index: -1;}
}
.neticeBildir {
    position: absolute;
    top: 100px;
    animation: son 5s;
    opacity: 0;
    z-index: -1;
}

span[id^="secenek"] {
    margin: 10px;
    padding: 5px 10px;
    background-color: yellow;
    border: 1px solid yellow;
    border-radius: 5px;
    cursor: pointer;
    display: inline-block;
}

div[id^="soru"] {
    padding: 5px;
    margin: 10px;
    background-color: yellow;
    border: 1px solid yellow;
    border-radius: 5px;
}

span[id^="cevap"] {
    margin: 5px 10px;
    padding: 5px 10px;
    background-color: green;
    border: 1px solid green;
    border-radius: 5px;
    cursor: pointer;
    display: inline-block;
    color: white;
}

.kalemSilgiSec {
    border-color: gray !important;
}

.silgi {
    cursor: no-drop;
}

.dogruSecenek {
    background: linear-gradient(to right, rgb(0,255,0),rgb(0,127,0),rgb(0,255,0)) !important;
}

.yanlisSecenek {
    background: linear-gradient(to right, rgb(255,0,0),rgb(127,0,0),rgb(255,0,0)) !important;
}

span[id^="balon"] {
    background-color: green;
    color: white;
    border: 1px solid green;
    border-radius: 50%;
    margin: 10px;
    padding: 10px;
    min-height: 40px;
    min-width: 40px;
    text-align: center;
    cursor: pointer;
}

.patlat {
    background-color: transparent !important;
    border-color: transparent !important;
    background: url("resimler/pat.png") no-repeat;
}

@keyframes yanSon {
    0% {opacity: 1;}
    50% {opacity: 0;}
    100% {opacity: 1;}
}

#imlec {
    position: absolute;
    color: white;
    background-color: red;
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    margin: 0px;
    padding: 2px;
    border: 1px solid red;
    border-radius: 5px;
    animation: yanSon 1s infinite;
}

#sekil, #ipucuSekil {
    margin: 0px 10px 10px 0px;
    padding: 0px;
    top: 0px;
    left: 0px;
    float: left;
    background-color: white;
}

.normalTablo {
    border-collapse: collapse;
}

.normalTablo td {
    border: 1px solid black;
}

#cozumeSuruklenecekler {
    width: 400px;
    margin-right: 50px;
    float: left;
}

#cozumeSurukleKume {
    width: 300px;
    min-height: 200px;
    border: 2px solid black;
    border-radius: 10px;
}

.siralamaKutusu {
    border: 2px solid black;
    border-radius: 10px;
    height: 120px;
    width: 120px;
    text-align: center;
    vertical-align: middle;
}

.kucuktur {
    font-size: 100px;
}

#siralanacakSayilar {
    margin-top: 50px;
}

.dersYukleniyor {
    position: absolute;
    top: 100px;
    left: 300px;
    padding: 10px;
    text-align: center;
    background-color: red;
    color: white;
    border: 1px solid red;
    border-radius: 5px;
}

#yeniden, #ipucu, #ekraniKaplaKucult {
    position: absolute;
    top: 50px;
    cursor: pointer;
}

.cozumKutulari {
    position: relative;
    border: 1px solid green;
    border-radius: 5px;
    width: 145px;
    height: 250px;
    margin: 10px;
    float: right;
    display: flex;
    flex-direction: column-reverse;
    overflow: hidden;
}
.cozumKutusuAdi {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    background-color: rgba(0,255,0,.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 90;
}

#seffaflik {
    position: absolute;
    top: 605px;
    left: 570px;
    cursor: pointer;
    z-index: 99999999;
}

figure {
    float: left;
    padding: 0px;
    margin: 0px;
    background-color: white;
    border: 1px solid lightgray;
}
figcaption {
    text-align: center;
    padding: 0px;
    margin: 0px;
}

#tahta iframe {
    border-style:hidden;
    width: 1000px;
    height: 500px;
}

@keyframes yan {
    from {opacity: 0;}
    to {opacity: 1;}
}
#tahta h2,satir {
    animation: yan 1s;
}

k {
    color: red;
    font-weight: bold;
}

m {
    color: blue;
    font-weight: bold;
}

y {
    color: green;
    font-weight: bold;
}

aci {
    display:inline-block;
    overflow:hidden;
    width:100px;
    margin-left:10px;
    text-align:center;
    vertical-align:middle;
    padding:0px;
    border-bottom:1px solid black;
}

svg[id^="nokta"] {
    position: absolute;
    animation: yanSon 1s infinite;
}

.ui-widget {
    z-index: 999999998 !important;
}

abbr {
    border-bottom: 1px dotted gray;
}

div[id^="sinif"]{
   height: 430px;
   overflow: auto;
}

#dersKayitNo {
    position: absolute;
    top: 45px;
    left: 1150px;
    background-color: lightgray;
    border-radius: 5px;
}

#soruNoBildir, #cevaplayanSayisiBildir, #kalanSureBildir {
    border: none !important;
    border-radius: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    color: white;
    float: left;
    font-weight: bold;
}
ilkBes {
    display:inline-block;
    overflow:hidden;
    width:200px;
    margin-left:10px;
    text-align:center;
}
#oyunSoruKutusu ilkBesSatir ilkBes {
    background-color: rgba(0,255,0,.5); 
}
#oyunSoruKutusu ilkBesSatir:nth-child(4n+1) ilkBes {
    background-color: rgba(0,0,255,.5); 
}
ilkBes.baslik {
    border-bottom: 1px solid black;
    font-weight: bold;
}