* {
  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: 50px;
}
header {
  display: block;
  background-image: url(../../images/ebook-banner/unit2.png);
  background-repeat: no-repeat;
  margin: 0 auto;
  width: 850px;
  height: 142px;

  position: relative;
}
.lecon {
  width: 87%;
  display: inline-block;
  text-align: left;
  height: 85px;
}

.container {
  width: 900px;
  display: block;
  text-align: center;
  background: #fff;
  margin: 0 auto;
}

.small-grid .pencil {
  background-image: url(../../images/pencil.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  height: 45px;
  width: 30px;
  margin: 10px 0 0 5px;
}
.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: 11px;
  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;

  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;
}
.small-grid .right {
  margin: 15px 0 0 5px;
  height: auto;
}

/*---------------- header -----------------------*/

section {
  width: 900px;
  margin: 0 auto;
  background: #fff;
}
.prosfonisi > p {
  line-height: 1.3em;
  color: #000;
  font-size: 19px;
  font-weight: normal;
  font-family: "PFCentroSlabPro-Medium";
  text-align: left;
}

/*-------------------title--------------------------*/
.column {
  padding: 0;
  display: inline-block;
  vertical-align: top;
  margin: 1% auto;
  width: 80%;
  text-align: left;
}

.green_title {
  display: block;
  float: left;
  font-family: "PFCentroSlabPro-Medium";
  font-size: 22px;
  font-weight: bold;

  color: #fff;
  border-radius: 6px;
  margin-left: 60px;
  padding: 5px;
  padding-left: 15px;
  padding-right: 15px;
}

.column.image {
  background-image: url(../../images/exercises-images/unit2_exer2.PNG);
  background-repeat: no-repeat;

  width: 767px;
  height: 467px;
}

.drag-grid {
  font-family: "PFTransport-Regular";
  display: block;
  text-align: center;
  height: 50px;
  margin: 15px auto 0 auto;
  padding: 0;

  width: 70%;
}
.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;
  border: 2px dotted #fff;
  background: #e9eab0;
}
.drag-grid li {
  /* background-color: #6FC696; */

  padding: 3px;
  height: auto;
  font-size: 16px;
  color: #000;
}

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

label {
  font-family: "PFTransport-Regular";
  top: 0;
  color: #000;
  font-size: 17px;
  display: inline-block;

  padding: 1px;
  text-align: left;
  line-height: 1.8em;
}

span.ans {
  width: 165px;
  height: 20px;
  display: inline-block;
}

span.colored {
  color: #69c8c7;
  display: inline-block;
  width: 20px;
  height: -40px;
  font-family: "PFTransport-Regular";
}

.p_big {
  display: inline-block;
  position: relative;
  margin-left: 30px;
  width: 725px;
  border: 0px dashed blue;
}

.parent {
  display: block;
  position: relative;
  float: left;
  width: 230px;
  border: 0px dashed blue;
}

.greyspan {
  width: 100px;
  display: inline-block;
  color: #999;
  text-align: right;
}
.input2 {
  width: 180px;
  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;
}

.input3 {
  width: 20px;
  text-align: left;
  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: 29px;
  text-align: center;
  font-family: "PFReminder-Medium";
  border: none;
  position: relative;
  font-size: 16px;
  box-shadow: rgba(0, 0, 0, 0.25) 0px 14px 28px,
    rgba(0, 0, 0, 0.22) 0px 10px 10px;
  padding: 0;
  top: 0;
  left: 0;
  margin: 0;
  height: 29px;
  border: 1px solid #69c8c7;
  border-radius: 50%;
  background-color: #fff;
}
.box {
	display: inline-block;
	margin: 0 auto;
	position: relative
}
.exer1 {
  position: relative;
  top: 280px;
  left: 20px;
}
.exer2 {
  position: relative;
  top: 190px;
  left: 100px;
}
.exer3 {
  position: relative;
  top: 150px;
  left: 180px;
}
.exer4 {
  position: relative;
  top: 430px;
  left: -290px;
}
.exer5 {
  position: relative;
  top: 380px;
  left: 535px;
}

.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;
}
.clear {
  display: block;
  clear: both;
  width: 100%;
}
footer {
  left: 0;
  bottom: 0;

  width: 100%;
  overflow: hidden;
}

* {
  margin: 0;
  padding: 0;
  position: relative;
}

.toggle,
.toggler {
  display: inline-block;
  vertical-align: middle;
  margin: 2px;
}

.toggler {
  color: slategray;
  transition: 0.2s;
}

.toggler--is-noactive {
  background: url(../../../assets/images/off.png);
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background-size: 100%;
  background-repeat: no-repeat;
  width: 40px;
  height: 25px;
}

.toggler--is-active {
  color: black;
  background: url(../../../assets/images/on.png);
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background-size: 100%;
  background-repeat: no-repeat;
  width: 40px;
  height: 25px;
}

.b {
  display: block;
}

.toggle {
  width: 45px;
  height: 25px;
  border-radius: 100px;
  background-color: #ccc;
  overflow: hidden;
  box-shadow: inset 0 0 2px 1px rgba(0, 0, 0, 0.05);
}

.cc {
  width: 45px;
  height: 25px;
  border-radius: 100px;
  background-color: #2ecc71;
  overflow: hidden;
  box-shadow: inset 0 0 2px 1px rgba(0, 0, 0, 0.05);
}

.check {
  position: absolute;
  display: block;
  cursor: pointer;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 6;
}

.check:checked ~ .switch {
  right: 2px;
  left: 37.5%;
  transition: 0.25s cubic-bezier(0.785, 0.135, 0.15, 0.86);
  transition-property: left, right;
  transition-delay: 0.08s, 0s;
}

.switch {
  position: absolute;
  left: 2px;
  top: 2px;
  bottom: 2px;
  right: 37.5%;
  background-color: #fff;
  border-radius: 36px;
  z-index: 1;
  transition: 0.25s cubic-bezier(0.785, 0.135, 0.15, 0.86);
  transition-property: left, right;
  transition-delay: 0s, 0.08s;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}