* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body {
  font-size: 100%;
  font-weight: 300;
  color: #888;
  width: 100%;
}
img {
  max-width: 100%;
}
nav {
  border: 0;
  -o-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -webkit-transition: all 0.3s;
  -ms-transition: all 0.3s;
  transition: all 0.3s;
  text-align: left;
  margin-left: 30px;
}
header {
  display: block;
  background-image: url(../../images/ebook-banner/lecon2.PNG);
  background-repeat: no-repeat;
  position: relative;
  margin: 0 auto;
  width: 850px;
  height: 208px;
}

.small-grid .pencil {
  background-image: url(../../images/01-52.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  height: 40px;
  width: 40px;
  margin: 10px 0 0 5px;
  display: none !important;
}
.small-grid .headphones {
  background-image: url(../../images/headphones.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  height: 40px;
  width: 40px;
  margin: 10px 0 0 5px;
}
.head_number {
  display: block;
  width: 15px;
  height: 20px;
  color: #000;
  text-align: center;
  position: relative;
  left: 10px;
  font-family: "PFTransport-Regular";
  top: 10px;
  font-weight: 600;
}
.small-grid .cd {
  background-image: url(../../images/cd-9.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  height: 40px;
  width: 40px;
  margin: 10px 0 0 5px;
}
.small-grid .exer_number {
  margin: 15px 0 0 5px;
}
.number {
  display: block;
  width: 32px;
  height: 32px;
  text-align: center;
  position: relative;
  font-family: "PFCentroSlabPro-Medium";
  font-weight: bold;
  border-radius: 50%;
  line-height: 1.4em;
  background-color: #9fd18a;
  color: #ffff;
  font-size: 23px;
}
.small-grid,
.item-grid {
  /* width: 80%; */
  padding: 0;
  margin: 0;
}
.item-grid li {
  list-style-type: none;
  margin: 0 17px 40px 15px;
  padding: 0;
  display: inline-block;
  *display: inline;
  zoom: 1;
  vertical-align: top;
}
.small-grid li {
  /*border: 1px solid rgba(0, 0, 0, 0.2);*/
  list-style-type: none;
  padding: 0;
  display: inline-block;
  *display: inline;
  zoom: 1;
  vertical-align: top;
}
.small-grid .left {
  margin: 5px -28px 0 -5px;
  height: auto;
  text-align: center;
}
.small-grid .center {
  margin: 20px 0 0 5px;
  height: auto;
}

/*---------------- header -----------------------*/
.container {
  width: 900px;
  display: block;
  text-align: center;
  background: #fff;
}
section {
  width: 900px;
  margin: 0 auto;
  background: #fff;
}
.prosfonisi > p {
  line-height: 1.3em;
  color: #000;
  font-size: 20px;
  font-weight: normal;
  font-family: "PFCentroSlabPro-Medium";
  text-align: left;
}

/*-------------------title--------------------------*/
.column {
  padding: 0;
  display: inline-block;
  vertical-align: top;
  margin: 2% auto;
  width: 90%;
}
.column.image {
  background-image: url(../../images/exercises-images/p57_exer1.PNG);
  background-repeat: no-repeat;
  position: relative;
  background-position: center;
  background-size: cover;
  height: 267px;
  width: 714px;
}

.clearfix {
  width: 100%;
  clear: both;
  height: 20px;
}
.drag-grid {
  display: block;
  text-align: center;
  height: 100px;
  margin: 15px auto 0 auto;
  padding: 0;
  border-top: 2px #00617f solid;
  border-bottom: 2px #00617f solid;
  width: 60%;
}
.drag-grid li {
  list-style-type: none;
  margin: 7px 5px 0 5px;
  padding: 0;
  display: inline-block;
  *display: inline;
  zoom: 1;
  vertical-align: top;
  cursor: all-scroll;
  z-index: 1;
}
.drag-grid li {
  /* background-color: #6FC696; */
  width: auto;
  padding: 3px;
  height: auto;
  font-size: 15px;
  color: #000;
}
label {
  font-family: "PFTransport-Regular";
  top: 0;
  color: #000;
  font-size: 17px;
  display: block;
  padding: 1px;
  text-align: left;
  line-height: 1.8em;
}

.greyspan {
  width: 100px;
  display: inline-block;
  color: #999;
  text-align: right;
}
.input2 {
	width: 125px;
	text-align: center;
	font-family: 'PFTransport-Regular';
	border: none;
	position: relative;
	border-bottom: 1px dashed #000;
	font-size: 16px;
	background: none;
	padding: 0;
	top: 0;
	left: 0;
	margin: 0;
}
.input1 {
	width: 60px;
	text-align: center;
	font-family: 'PFTransport-Regular';
	border: none;
	position: relative;
	border-bottom: 1px dashed #000;
	font-size: 17px;
	background: none;
	padding: 0;
	top: 0;
	left: 0;
	margin: 0;
}

.exer1 {
  position: relative;
  top: 235px;
  left: -120px;
}
.exer2 {
  position: relative;
  top: 105px;
  left: -135px;
}
.exer3 {
  position: relative;
  top: 245px;
  left: 40px;
}
.exer4 {
  position: relative;
  top: 240px;
  left: 225px;
}
.exer5 {
  position: relative;
  top: 40px;
  left: -15px;
}
.exer6 {
  position: relative;
  top: 15px;
  left: 138px;
}

.grey {
  color: #999;
}

input[type="text"]:disabled {
  color: #000;
}
.left_ {
  margin-left: 1.3em;
}
.left_x {
  margin-left: 1em;
}
span.red {
  color: #f00;
}
input[type="text"]:disabled {
  color: #006595;
  font-size: 17px;
}
input:focus {
  border-bottom-color: #83b4db;
  -webkit-box-shadow: 0 0 0 0 white, 0 2px 2px #83b4db;
  -moz-box-shadow: 0 0 0 0 white, 0 2px 2px #83b4db;
  box-shadow: 0 0 0 0 white, 0 2px 2px #83b4db;
  background: #faf0b7;
}

span.items {
  font-size: 18px;
  cursor: all-scroll;
  z-index: 1;
  line-height: 1.8em;
  color: #231f20;
}
span.blue {
  color: #006595;
  line-height: 1.8em;
}

textarea {
  padding: 10px;
}
textarea {
  display: block;
  box-sizing: padding-box;
  overflow: hidden;
  padding: 4px;
  width: 250px;
  font-size: 14px;
}
footer {
  left: 0;
  bottom: 0;
  height: 100px;
  width: 100%;
  overflow: hidden;
}

.grid-q2 {
  margin: 2.5em auto;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  /* border: 1px solid #ff9756; */
  color: #000;
  font-size: 16px;
  width: 650px;
}

.grid-q2 > * {
  border: 1px solid #56597a;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.5em 0;
  background-color: #ffffff;
}

.grid-q2 > .ans {
  text-align: center;
}

.ans label {
  display: inline-block;
}

.grid-q2 > .c {
  background-color: #c6c0ca;
}

.grid-q2 > .d {
  background-color: #eeecf3;
  font-weight: bold;
}

.cstart {
  grid-column-start: 2;
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body {
  font-size: 100%;
  font-weight: 300;
  color: #888;
  width: 100%;
}
img {
  max-width: 100%;
}
nav {
  border: 0;
  -o-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -webkit-transition: all 0.3s;
  -ms-transition: all 0.3s;
  transition: all 0.3s;
  text-align: left;
  margin-left: 30px;
}


.small-grid .pencil {
  background-image: url(../../images/01-52.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  height: 40px;
  width: 40px;
  margin: 10px 0 0 5px;
  display: none !important;
}
.small-grid .headphones {
  background-image: url(../../images/headphones.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  height: 40px;
  width: 40px;
  margin: 10px 0 0 5px;
}
.head_number {
  display: block;
  width: 15px;
  height: 20px;
  color: #000;
  text-align: center;
  position: relative;
  left: 10px;
  font-family: "PFTransport-Regular";
  top: 10px;
  font-weight: 600;
}
.small-grid .cd {
  background-image: url(../../images/cd-9.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  height: 40px;
  width: 40px;
  margin: 10px 0 0 5px;
}
.small-grid .exer_number {
  margin: 15px 0 0 5px;
}

.small-grid,
.item-grid {
  /* width: 80%; */
  padding: 0;
  margin: 0;
}
.item-grid li {
  list-style-type: none;
  margin: 0 17px 40px 15px;
  padding: 0;
  display: inline-block;
  *display: inline;
  zoom: 1;
  vertical-align: top;
}
.small-grid li {
  /*border: 1px solid rgba(0, 0, 0, 0.2);*/
  list-style-type: none;
  padding: 0;
  display: inline-block;
  *display: inline;
  zoom: 1;
  vertical-align: top;
}
.small-grid .left {
  margin: 5px -28px 0 -5px;
  height: auto;
  text-align: center;
}
.small-grid .center {
  margin: 20px 0 0 5px;
  height: auto;
}

/*---------------- header -----------------------*/
.container {
  width: 900px;
  display: block;
  text-align: center;
  background: #fff;
}
section {
  width: 900px;
  margin: 0 auto;
  background: #fff;
}
.prosfonisi > p {
  line-height: 1.3em;
  color: #000;
  font-size: 20px;
  font-weight: normal;
  font-family: "PFCentroSlabPro-Medium";
  text-align: left;
}

/*-------------------title--------------------------*/

.clearfix {
  width: 100%;
  clear: both;
  height: 20px;
}
.drag-grid {
  display: block;
  text-align: center;
  height: 100px;
  margin: 15px auto 0 auto;
  padding: 0;
  border-top: 2px #00617f solid;
  border-bottom: 2px #00617f solid;
  width: 60%;
}
.drag-grid li {
  list-style-type: none;
  margin: 7px 5px 0 5px;
  padding: 0;
  display: inline-block;
  *display: inline;
  zoom: 1;
  vertical-align: top;
  cursor: all-scroll;
  z-index: 1;
}
.drag-grid li {
  /* background-color: #6FC696; */
  width: auto;
  padding: 3px;
  height: auto;
  font-size: 15px;
  color: #000;
}
label {
  font-family: "PFTransport-Regular";
  top: 0;
  color: #000;
  font-size: 17px;
  display: block;
  padding: 1px;
  text-align: left;
  line-height: 1.8em;
}

.greyspan {
  width: 100px;
  display: inline-block;
  color: #999;
  text-align: right;
}



.exer1 {
  position: relative;
  top: 160px;
  left: 0px;
}
.exer2 {
  position: relative;
  top: 96px;
  left: 165px;
}
.exer3 {
  position: relative;
  top: 33px;
  left: 320px;
}
.exer4 {
  position: relative;
  top: -30px;
  left: 490px;
}
.exer5 {
  position: relative;
  top: -93px;
  left: 640px;
}

.grey {
  color: #999;
}

input[type="text"]:disabled {
  color: #000;
}
.left_ {
  margin-left: 1.3em;
}
.left_x {
  margin-left: 1em;
}
span.red {
  color: #f00;
}
input[type="text"]:disabled {
  color: #006595;
  font-size: 17px;
}
input:focus {
  border-bottom-color: #83b4db;
  -webkit-box-shadow: 0 0 0 0 white, 0 2px 2px #83b4db;
  -moz-box-shadow: 0 0 0 0 white, 0 2px 2px #83b4db;
  box-shadow: 0 0 0 0 white, 0 2px 2px #83b4db;
  background: #faf0b7;
}

span.items {
  font-size: 18px;
  cursor: all-scroll;
  z-index: 1;
  line-height: 1.8em;
  color: #231f20;
}
span.blue {
  color: #006595;
  line-height: 1.8em;
}

textarea {
  padding: 10px;
}
textarea {
  display: block;
  box-sizing: padding-box;
  overflow: hidden;
  padding: 4px;
  width: 250px;
  font-size: 14px;
}
footer {
  left: 0;
  bottom: 0;
  height: 100px;
  width: 100%;
  overflow: hidden;
}

.grid-q2 {
  margin: 2.5em auto;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  /* border: 1px solid #ff9756; */
  color: #000;
  font-size: 16px;
  width: 650px;
}

.grid-q2 > * {
  border: 1px solid #56597a;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.5em 0;
  background-color: #ffffff;
}

.grid-q2 > .ans {
  text-align: center;
}

.ans label {
  display: inline-block;
}

.grid-q2 > .c {
  background-color: #c6c0ca;
}

.grid-q2 > .d {
  background-color: #eeecf3;
  font-weight: bold;
}

.cstart {
  grid-column-start: 2;
}

span.colored {
  color: #ffa76f;;
  display: inline-block;
  width: 20px;
  font-family: "PFTransport-Regular";
}

.left-al {
  margin-left: 0.7em;
}



.flex-2 {
  display: flex;
  flex-direction: row;
  align-items: center;
  width: 850px;
}

.flex-1 {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  
}

.flex-1 > * {
  margin: 0 1em;
}