.logo {

    width: 100px;
    height: 95px;
}

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

li, a {
    font-family: 'Roboto', sans-serif;
    font-weight: 500;
    font-size: 16px;
    color: white;
    text-decoration: none;
    padding: 0 30px;
    left: 50;
}

.logo {
    cursor: pointer;
    margin: 10;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 10%;
    height: 50px;
    width: 1100px;
    background-color: #0273b2;
    border-radius: 5px 5px 0 0;
    box-sizing: border-box;
    position: relative;
    margin: 0 auto;
    padding-left: 0;
}

.dds {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 10%;
    height: 50px;
    width: 1100px;
    background-color: #0273b2;
    border-radius: 5px 5px 0 0;
    box-sizing: border-box;
    position: relative;
    margin: 0 auto;
    padding-left: 0;
}

.sorhtml {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 10%;
    height: 50px;
    width: 1100px;
    background-color: #0273b2;
    border-radius: 5px 5px 0 0;
    box-sizing: border-box;
    position: relative;
    margin: 0 auto;
    padding-left: 0;
}


.nav_links {
    list-style: none;
}

.nav_links li {
    display: inline-block;
    padding: 20px, 40px;
    position: relative;
}

.nav_links li a {
    transition: all .1s ease 0s;
    padding: 0 20px;
}

.nav_links li a:hover {   
    color: #d6d6d6;
}

.nav_links li:hover ul.s_links1{
    top: 38.99px; 
}

.nav_links li:hover ul.s_links2 {
    top: 38.99px;
    
}

button {
    padding: 9px 25px;
    background-color: aqua;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    transition: all .1s ease 0s;
}

button:hover {
    background-color: #00dddd;
}

.s_links1 {
    position: absolute;
    background-color: white;
    left: -325px;
    top: -20px;
    transition: all .50s ease 0s;
    z-index: -1;
    display: inline-flex;
    box-shadow: 0 1px 2px rgba(0,0,0,.11);
    width: 1050px;
}

.s_links1 li {
    display: block;
    padding: 0px 10px;
}

.s_links1 li a {
    transition: all .0s ease 0s;
}

.s_links1 li a:hover {
    color: aliceblue;
}

.s_links2 {
    position: absolute;
    background-color: white;
    left: -454px;
    top: -20px;
    transition: all .50s ease 0s;
    z-index: -1;
    display: inline-flex;
    box-shadow: 0 1px 2px rgba(0,0,0,.11);
    width: 1050px;
}

.s_links2 li {
    padding: 0px 10px;
}

.s_links2 li a {
    transition: all .0s ease 0s;
}

.s_links2 li a:hover {
    background-color: aliceblue;
}

.s_underlinks {
    color: black;
    font-family: "Open Sans",Helvetica,Arial,sans-serif;
    z-index: 1;
}

body {
    background-image: url(images/1.jpg);
}

.postbody {
    background-image: url(images/11.jpg);
}

.Block {
    margin-right: 0 auto;
    font-family: 'Roboto', sans-serif;
    font-size: 35px;
    margin: 0 auto;
    background: #f8f8ff;   
    color: black;
    width: 45%;
    height: 400px;
    box-shadow: 10px 10px 2px rgba(0,0,0,.11);
    padding-top: 100;
    text-align: center;
}

.phon {
    background-image: url(images/7.jpg);
    width: 100%;
    height: 850px;
    margin: 0px auto;
}

.phon1 {
    width: 100%;
    height: 850px;
    margin: 0px auto;
}

@media screen and (max-width: 1165px) {
    .phon, .phon1 {
        width: 1165px;
    }
}

.info {
    background-color: aqua;
    color: black;
    box-shadow: 5px 5px 2px rgba(0,0,0,.11);
    font-size: 20px;
    font-family: "Calibri";
    margin-top: 200px;
}

.info:hover {
    background: #f6ff19;
    box-shadow: none;
    transition: all .6s ease 0s;
}

p {
    margin-left: 90px;
    margin-right: 90px;
    margin-top: -25;
}

hr {
    border: none;
    background-color: aqua;
    color: aqua;
    height: 2px;
    margin-right: 150;
    margin-left: 150;
    height: 5;
}

.answers {
    font-family: "Calibri";
    font-size: 40px;
    margin: 0 auto;
    width: 600px;
    height: 500px;
    background: url(images/3.png);
    box-shadow: 5px 5px 2px rgba(0,0,0,.11);
}

.text {
    margin-right: 100px;
    margin-left: 100px;
    font-family: "Calibri";
    font-weight: bold;
}

.New-York {
    width: 1350px;
    height: 868px;
}

.block1 {
    width: 1100px;
    background: url(images/8.jpg);
    padding: 5px;
    height: 500px;
    margin: 35px auto;
}

.video {
    margin-left: 285px;
    margin-top: 30px;
	padding-right: 35px;
}

form {
	margin-left: 10px;
	margin-top: -350px;
	padding: 30px;
	padding-top: 115px;
}

.form-control {
	height: 20px;
	width: 400px;
	padding: 15px;
}

.regist {
	background: #fff;
	width: 480px;
	height: 350px;
	margin-left: 45px;
	margin-top: 15px;
	border-radius: 10px;
}

h1 {
	margin-top: -285px;
	font-family: 'Roboto Slab', serif;
	font-size: 18px;
	font-style: italic;
}

.sors {
    width: 150px;
	height: 50px;
	background: #fff;
	margin-left: 250px;
    margin-top: 156px;
    font-weight: inherit;
	padding: 10px;
	padding-left: 15px;
	border-radius: 15px;
	font-size: 20px;
}

.sors:hover {
    background: none;
    transition: all 0s ease 0s;
}

.blockregist {
	margin-left: 5px;
	margin-top: -215px;
}

.back {
    background-image: url(images/9.jpg);
}

.page-sor {
    background-color: #00ceff; 
    width: 1050px;
    height: 400px;
    margin: 30px auto;
    border-radius: 10px;
    padding: 10px;
}

.choose {
    width: 200px;
	height: 50px;
	background: #fff;
	margin-left: 25px;
	font-family: 'PT Sans Narrow', sans-serif;
	padding: 11px;
	padding-left: 25px;
	border-radius: 15px;
	font-size: 20px;
}

.classes {
    width: 1030px;
    height: 40px;
    background: #fff;
    border-radius: 3px;
    font-family: 'PT Sans Narrow', sans-serif;
}

.ulget .get {
    display: inline-block;
    padding: 10px;
    position: relative;
}

.aget {
    padding: 10px;
    color: black;
}

.aget:hover {
    color: #535353;
    text-decoration: underline;
}


.btn-btn-success {
    border-radius: 7px;
    background: #1bcb1b;
    color: white;
}

.btn-btn-success:hover {
    background: #009a00;
}

.sochs {
    width: 150px;
	height: 50px;
	background: #fff;
	margin-left: 550px;
	margin-top: 245px;
    font-weight: inherit;
	padding: 11px;
	padding-left: 55px;
	border-radius: 15px;
	font-size: 20px;
    color: black;
    padding: 10px;
    padding-bottom: 10px;
}

.sochs:hover {
    background: none;
}

.registration {
    margin: 10px;
    margin-top: -0.5px;
    background-image: url(images/14.png);
}

.registration1 {
    margin: 0 auto;
	background: #fff;
	width: 480px;
	height: 350px;
	margin-top: 400px;
	border-radius: 10px;
}

.block2 {
    width: 1100px;
    margin: 0 auto;
    padding: 5px;
    height: 500px;
    margin-top: 35px;
}

@media screen and (max-width: 1168px) {
    .blockex, .blockex10, .blockex1021, .blockex1022, .blockex2, .blockex21, .blockex22, .blockex23, .blockex24, .blockex3, .blockex31, .blockex32, .blockex4 ,.blockex52, .blockex53, .blockex61, .blockex611, .blockex612, .blockex62, .blockex621, .blockex63, .blockex711, .blockex74, .blockex81, .blockex91, .blockex911, .blockex921, .blockex923 {
        margin-left: 135px;
    }
}

@media screen and (min-width: 1167px) {
    .blockex, .blockex10, .blockex1021, .blockex1022, .blockex2, .blockex21, .blockex22, .blockex23, .blockex24, .blockex3, .blockex31, .blockex32, .blockex4, .blockex52, .blockex53, .blockex61, .blockex611, .blockex612, .blockex62, .blockex621, .blockex63, .blockex711, .blockex74, .blockex81, .blockex91, .blockex911, .blockex921, .blockex923 {
        margin: 0px auto;
    }
}

.authclass {
    display: flex;
    flex-direction: column;
    width: 400px;
    margin: 0px auto;
    padding: 15px;
}

input {
    margin: 10px 0;
    padding: 5px;
}

.authbutton {
    padding: 10px;
}

.phavenot {
    margin: 10px 0;
    font-family: 'Roboto Slab', serif;
}

@media screen and (max-width: 1000px) {
    .s_links1 {
        left: -310px;
}
}

@media screen and (max-width: 1187px) {
    header {
        margin-left: 32px;
    }
}

@media screen and (max-width: 1187px) {
    .aboutsite, .postblock {
        margin-left: 190px;
        margin-top: 20px;
    }
}

@media screen and (min-width: 1186px) {
    .aboutsite, .postblock {
        margin: 20px auto;
    }
}

@media screen and (max-width: 1187px) {
    .dds, .block1 {
        margin-left: 32px;
    }
}


@media screen and (max-width: 1187px) {
    .sorhtml {
        margin-left: 32px;
    }
}

@media screen and (max-width: 1187px) {
    .page-sor, .choose, .classes  {
        margin-left: 60px;
    }
}

@media screen and (max-width: 1187px) {
    .classes {
        margin: 0px auto;
    }
}

@media(min-width: 640px) and (max-width: 1004px), screen {

    .s_links2 {
        margin-left: 30px;
    }

    .s_links1 {
        margin-left: -20px;
    }
}

@media(min-width: 640px) and (max-width: 1004px), screen {
    .s_links1 {
        margin-left: 22px;
    }

    .s_links2 {
        margin-left: 15px;
    }
}

@media screen and (min-width: 640px) and (max-width: 1000px) {
	.dds, header, .sorhtml {
		height: 150px;
	    margin-top: 150px;
	    width: 1200px;
	    margin-left: 100px;
	    border-radius: 15px 15px 0px 0px;
	}
    
    .page-sor {
    	width: 1200px;
    	margin-left: 100px;
    	height: 500px;
    }

    .classes {
        margin-top: 20px;
    	height: 70px;
    }

    .choose {
        width: 280px;
        height: 80px;
        font-size: 31px;
        padding-top: 20px;
        margin-top: 20px;
        margin-left: 70px;
    }

    .ulget {
    	padding: 5px;
    }

    .logo {
    	margin-left: 440px;
        margin-top: -295px;
        height: 250px;
        width: 250px;
    	position: absolute;
    }

    a, .asor {
    	font-size:  30px;
    }

    button {
    	width: 100px;
        height: 50px;
        font-size: 25px;
        text-align: center;
        padding: 0px;
    }
    
    .s_links1, .s_links2 {
    	opacity: 0;
    }

    .block1 {
    	margin-left: 100px;
        width: 1200px;
        height: 620px;
    }

    .sors {
        margin-left: 320px;
        height: 70px;
        width: 200px; 
        margin-top: 135px;
        font-size: 30px;
    }

    .sochs {
        margin-left: 570px;
    	height: 70px;
        width: 200px;
        font-size: 30px;
        margin-top: 270px;
    }

    .video {
    	margin-left: 270px;
        width: 655px;
        height: 380px;
    }

    .phon {
    	width: 1391px;;
    }

    .Block {
    	width: 700px;
    	height: 500px;
    	font-size: 50px;
    }

    .info {
    	margin-top: 155px;
    }

}

.registhavenot {
    padding: 0px;
    color: #0273b2;
    font-size: 15px;
    font-family: 'Roboto Slab', serif;
    font-weight: bold;
}

.registhavenot:hover {
    text-decoration: underline;
}

.registblock1 {
    background: #fff;
    width: 500px;
    margin-left: 423px;
    margin-top: 40px;
    height: 390px;
    border: 0.1px solid #ababab;
    padding: 10px;
}

.reghtml {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 10%;
    height: 50px;
    width: 900px;
    background-color: #0273b2;

    box-sizing: border-box;
    position: relative;
    height: 45px;
    width: 1100px;
    border-radius: 5px 5px 0 0;
    margin: 0 14px 20px;
    padding-left: 0;
    background-color: #0273b2;
    margin-left: 115px;
}

.authblock1 {
    background: white;
    width: 500px;
    height: 270px;
    margin-left: 433px;
    padding: 20px;
    margin-top: 40px;
    border: 0.1px solid #ababab;
}

.msg {
    border: 2px solid #ff2600;
    border-radius: 3px;
    padding: 10px;
    text-align: center;
    font-weight: bold;
    font-family: "Open Sans", Helvetica, Arial, sans-serif;
}

.scs {
    border: 2px solid #ff2600;
    border-radius: 3px;
    padding: 10px;
    text-align: center;
    font-weight: bold;
    font-family: "Open Sans", Helvetica, Arial, sans-serif;
    width: 500px;
    margin: 10px;
    margin-left: 432px;
}

.none {
    display: none;
}

.postblock {
    width: 800px;
    height: 450px;
    background: #fff;
    padding-top: 60px;
    font-family: 'Noto Sans TC', sans-serif;
    font-size: 20px;
    border-radius: 10px;
}

.aboutsite {
    background: #fff;
    width: 800px;
    height: 380px;
    padding-top: 60px;
    font-family: 'Noto Sans TC', sans-serif;
    font-size: 20px;
    border-radius: 10px;
}

.choose1 {
    width: 215px;
	height: 50px;
	background: #fff;
	margin-left: 25px;
	font-family: 'PT Sans Narrow', sans-serif;
	padding: 11px;
	padding-left: 25px;
	border-radius: 15px;
	font-size: 20px;
}

.classes2 {
    width: 1030px;
    height: 85px;
    background: #fff;
    border-radius: 3px;
    font-family: 'PT Sans Narrow', sans-serif;
}

.blockex {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 7100px;
}

.sortext {
    color: black;
    font-size: 30px;
    font-family: "Open Sans", Helvetica, Arial, sans-serif;
    margin-left: 400px;
    padding-top: 20px;
}

.exercises {
    color: black;
    font-size: 25px;
    font-family: "Open Sans", Helvetica, Arial, sans-serif;
    padding-top: 20px;
}

.sorch {
    margin: 68px;
    margin-top: 20px;
}

.blockex3 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 7090px;
}

.blockex2 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 2430px;
}

.blockex4 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 8265px;
}

.blockex21 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 4765px;
}

.blockex22 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 2430px;
}

.blockex23 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 5930px;
}
.blockex24 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 2430px;
}

.blockex31 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 4770px;
}

.blockex32 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 4770px;
}

.blockex52 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 5950px;
}

.blockex53 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 3610px;
}

.blockex61 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 4640px;
}

.sorch61 {
    margin: 35px;
    margin-top: 20px;
}

.blockex62 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 3500px;
}

.blockex63 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 8280px;
}

.blockex81 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 3600px;
}

.blockex74 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 9440px;
}

.blockex91 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 5930px;
}

.blockex10 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 3600px;
}

.blockex611 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 8270px;
}

.blockex612 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 7100px;
}

.blockex621 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 2430px;
}

.blockex711 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 7100px;
}

.blockex911 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 8040px;
}

.blockex921 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 2370px;
}

.blockex923 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 6915px;
}

.blockex1021 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 2430px;
}

.blockex1022 {
    background-color: #f3f3f3;
    border-radius: 5px;
    width: 900px;
    height: 9430px;
}