default_style.css

@import url(https://fonts.googleapis.com/css?family=Roboto|Raleway|Roboto+Slab)

html {
  font-family: sans-serif;
  font-size: 18px;
  line-height: 1.6em;
}

body {
  margin: 0;
  padding: 0;
}

.consent, .consent > p {
  color: black;
}

.jspsych-display-element {
  margin: 0;
}

.display_stage_background {
  height: 100vh;
  width: 100vw;
  background-color: #707070;
  z-index: -1;
}

.display_stage {
  position: fixed;
  left: 5vw;
  top: 2vh;
  height: 94vh;
  width: 90vw;
  background-color: white;
  box-shadow: 1px 1px 1px #999;
  border-radius: 15px;
  z-index: 0;
  padding: 30px 30px 30px 30px;
  -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
  -moz-box-sizing: border-box;    /* Firefox, other Gecko */
  box-sizing: border-box;         /* Opera/IE 8+ */
  overflow: auto;
}


.centerbox {
  width: 50vw;
  height: 60vh;
  position:absolute;
  top:50%;
  left:50%;
  margin-right:-50%;
  transform: translate(-50%,-50%);
}


/* Text based classes */
/* Used for general instructions */
.block-text {
  width:100%;
  height 100vw;
  text-align: justify;
  margin: 0 auto;
  margin-bottom: 1em;
  font-size: 24px;
  line-height: 120%;
}

/* As above but centered instead of justified. Good for instructions with few lines */
.center-block-text {
  width:100%;
  height 100vw;
  text-align: center;
  margin: 0 auto;
  margin-bottom: 1em;
  font-size: 26px;
  line-height: 120%;
}

/* used for large text shown in the center of the screen, like FB or stimuli */
.center-text {
  text-align:center;
  font-size: 60px;
  position: relative;
  top: 50%;
  -ms-transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
}

/* fixation should be used like this in: '<div class = centerbox><div class = fixation>+</div></div>'*/
.fixation {
  text-align: center;
  font-size: 150px;
  position: relative;
  top: 50%; 
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
}


/* Used in lists */
.list-text li{
  font-size: 20px;
}

/* flex box used to vertically and horizontally center an img.
Sample html: <div class = centerbox><div class = img-container><img...></img></div></div>
*/
.img-container {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center; /* align horizontal */
  align-items: center; /* align vertical */
}

#legal {
  margin: 0 auto;
  margin-top: 1.5em;
  font-size: 0.8em;
}


/* Used for positioning during instructions */

.jspsych-instructions-nav {
  text-align: center;
  margin-top: 50px;
  position: relative;
  z-index: 1;
}

.jspsych-instructions-nav p {
  font-family: 'Roboto' serif;
  font-size: 20px;
  line-height: 20px;
}

/*
 *
 * PLUGIN: jspsych-poldrack-survey-multi-choice
 *
 */

.jspsych-poldrack-survey-multi-choice-question {
  margin-top: 2em;
  margin-bottom: 2em;
 }

.jspsych-poldrack-survey-multi-choice-text span.required {
  color: darkred;
}

.jspsych-poldrack-survey-multi-choice-horizontal .jspsych-poldrack-survey-multi-choice-text {
  text-align: left;
}

.jspsych-poldrack-survey-multi-choice-option {
  line-height: 2;
}
.jspsych-poldrack-survey-multi-choice-horizontal .jspsych-poldrack-survey-multi-choice-option {
  display: inline-block;
  margin-left: 1em;
  margin-right: 1em;
  vertical-align: top;
}

label.jspsych-poldrack-survey-multi-choice-text input[type="radio"] {
  margin-right: 1em;
}

#jspsych-poldrack-survey-multi-choice-next {
  display: block;
  margin: auto;
}

.jspsych-poldrack-survey-multi-choice-opts {
  list-style:none;
  width:100%;
  margin:0;
  padding:0 0 35px;
  display:block;
  font-size: 13px;
  line-height:1.1em;
}

.jspsych-poldrack-survey-multi-choice-opt-label {
  line-height: 1.1em;
}

.jspsych-poldrack-survey-multi-choice-opts:before {
  content: '';
  position:relative;
  top:11px;
  /*left:9.5%;*/
  display:block;
  /*background-color:#efefef*/;
  height:4px;
  width:100%;
}

.jspsych-poldrack-survey-multi-choice-opts:last-of-type {
  border-bottom: 0;
}

/*descendants of horizontal are inline-block*/
.jspsych-poldrack-survey-multi-choice-horizontal .jspsych-poldrack-survey-multi-choice-opts li {
  display:inline-block;
  /*width:19%;*/
  text-align:center;
  vertical-align: top;
  padding: 0px;
}

/*otherwise they are just block*/
.jspsych-poldrack-survey-multi-choice-opts li {
  display:block;
  /*width:100% !important*/;
  text-align:left;
  vertical-align: top;
  padding: 10px;
}


/*descendants of horizontal are block so they are above the option*/
.jspsych-poldrack-survey-multi-choice-horizontal .jspsych-poldrack-survey-multi-choice-opts li input[type=radio] {
    -webkit-appearance: none;
    height: 1.5em;
    position: relative;
    background-color: #276FF4;
    width: 1.5em;
    border-radius: 50%;
    outline: none;
    font-size: 14px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
  display:block;
  position:relative;
  top:0;
  left:50%;
  margin-left:-6px;
}

.jspsych-poldrack-survey-multi-choice-horizontal .jspsych-poldrack-survey-multi-choice-opts li input[type=radio]:checked:before {
    content: '';
    height: 0.4em;
    width: 0.4em;
    background-color: #FFF;
    position: absolute;
    border-radius: 50%;
    top: 0.3em;
    left: 0.3em;
}


/*otherwise they are inline-block so they are next to the option*/
.jspsych-poldrack-survey-multi-choice-opts li input[type=radio] {
    -webkit-appearance: none;
    height: 1.5em;
    position: relative;
    background-color: #276FF4;
    width: 1.5em;
    border-radius: 50%;
    outline: none;
    font-size: 14px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
  display:inline-block;
  /*position:relative;
  top:0;
  left:0;*/
  margin-right:6px;
}

.jspsych-poldrack-survey-multi-choice-opts li input[type=radio]:checked:before {
    content: '';
    height: 0.4em;
    width: 0.4em;
    background-color: #FFF;
    position: absolute;
    border-radius: 50%;
    top: 0.3em;
    left: 0.3em;
}

/* Buttons */
.jspsych-btn, #jspsych-instructions-next, #jspsych-instructions-back {
  font-size:22px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  padding: 12px 20px 12px 20px;
  color: white;
  background-color:cornflowerblue;
  cursor: pointer;
  line-height: 1.4;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  background-image: none;
  border: 1px solid transparent;
  border-radius: 4px;
}

#jspsych-instructions-next, #jspsych-instructions-back {
 width: 250px;
}

#jspsych-instructions-next, #jspsych-instructions-back {
  padding: 12px 40px 12px 40px;
}

.jspsych-btn:hover, #jspsych-instructions-next:hover, #jspsych-instructions-back:hover {
  border-color:#999;
  background-color: darkblue;
}

#jspsych-survey-multi-choice-next {
  padding-bottom: 10px;
}

/*
 *
 * PLUGIN: jspsych-survey-text
 *
 */

.jspsych-survey-text-question > textarea, #jspsych-survey-text-next {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/*
 *
 * PLUGIN: jspsych-attention-check
 *
 */

 #jspsych-attention-check-stimulus {
  width: 50vw;
  height: 60vh;
  position:absolute;
  top:50%;
  left:50%;
  margin-right:-50%;
  transform: translate(-50%,-50%);
}

.jspsych-attention-check-stimulus > p {
  width:100%;
  height 100vw;
  text-align: justify;
  margin: 0 auto;
  margin-bottom: 1em;
  font-size: 24px;
  line-height: 120%;
}

/*
 *
 * PLUGIN: jspsych-multi-choice-nav
 *
 */

.jspsych-survey-multi-choice-nav {
  padding-top: 20px;
}