body {
  background-color: #dfeff3;
  font-family: 'Chivo', sans-serif;
}

.container {
  padding-top: 12px;
}

header {
  background-image: url('../img/header.png');
  background-size: cover;
  background-repeat: no-repeat;
  height: 184px;
  padding-top: 27px; 
  color: #0083a2;
  width: 100%;
}

header h1 {
  margin: 0;
  font-size: 27.16px;
  text-decoration: underline;
  text-decoration-color: #b9da3c;
  text-decoration-thickness: 3px;
  text-decoration-style: solid;
  text-underline-offset: 5px;
  line-height: 1.2;
}

.nav {
  width: 100%;
}

.nav ul {
  display: flex;
  justify-content: flex-end;
  margin-bottom: -6px;
}

.nav ul li {
  width: auto;
  margin-left: 12px;
}

.nav ul li a {
  color: #0083a2;
  font-size: 19px;
  text-decoration: none;
}

.nav ul li a.active {
  font-weight: bold;
  text-decoration: underline;
  text-decoration-thickness: 3px;
}

.nav ul li a:hover {
  text-decoration: underline;
  text-decoration-thickness: 3px;
}

.header-title {
  padding-left: 20px;
}

/* accordion panel */
.accordion {
  background-color: #dfeff3;
  color: #0083a2;
  cursor: pointer;
  padding: 1rem;
  margin-bottom: 1rem;
  width: 100%;
  text-align: left;
  border: 3px solid #0083a2;
  border-radius: 1rem;
  outline: none;
  transition: 0.4s;
}

/* Add a background color to the button if it is clicked on (add the .active class with JS), and when you move the mouse over it (hover) */
.accordion:hover {
  background-color: #0083a2;
  color: #fff;
}

/* Style the accordion panel. Note: hidden by default */
.panel {
  padding: 0.7rem 1rem;
  margin-bottom: 1rem;
  background-color: #dfeff3;
  color: #0083a2;
  border: 2px solid #0083a2;
  border-radius: 10px;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
}

.panel.active {
  background-color: #0083a2;
  color: #fff;
  /*border: 3px solid #dfeff3;*/
}

.panel.active h5 {
  margin-bottom: 0.5rem;
}

.panel:hover {
  cursor: pointer;
}

.panel-text {
  font-size: 17.2px;
}

.panel-text p {
  margin-bottom: 0;
  font-size: 17.2px;
  line-height: 1.4;
}

h5 {
  text-transform: uppercase;
  font-weight: 700;
  font-size: 17.2px;
  margin-bottom: 0;
}

div, ol, ul, li, dl, dt, dd, p, h1, h2, h3, h4, h5, h6, textarea, input, select, label, blockquote, form, fieldset, legend {
  position: relative;
  float: left;
  width: 100%;
  padding-left: 0;
}

ol, ul {
  list-style: none;
}

.keyboard {
  padding-top: 4px;
  padding-left: 13px;
  height: 535px;
}

.keyboard li {
  width: 64px;
  height: 336px;
  background: url(../img/piano.png) 0 0 no-repeat #dfeff3;
  cursor: pointer;
}

.keyboard li.key1,
.keyboard li.key10 { width: 61px; }
/*.keyboard li.key4 { width: 60px; }*/

.keyboard li.key1 { background-position: 0 0; }
.keyboard li.key1.active,
.keyboard li.key1:hover { background-position: 0 -335px; }

.keyboard li.key2 { background-position: -59px 0; }
.keyboard li.key2.active,
.keyboard li.key2:hover { background-position: -59px -335px; }

.keyboard li.key3 { background-position: -121px 0; }
.keyboard li.key3.active,
.keyboard li.key3:hover { background-position: -121px -335px; }

.keyboard li.key4 { background-position: -183px 0; }
.keyboard li.key4.active,
.keyboard li.key4:hover { background-position: -183px -335px; }

.keyboard li.key5 { background-position: -245px 0; }
.keyboard li.key5.active,
.keyboard li.key5:hover { background-position: -245px -335px; }

.keyboard li.key6 { background-position: -307px 0; }
.keyboard li.key6.active,
.keyboard li.key6:hover { background-position: -307px -335px; }

.keyboard li.key7 { background-position: -369px 0; }
.keyboard li.key7.active,
.keyboard li.key7:hover { background-position: -369px -335px; }

.keyboard li.key8 { background-position: -431px 0; }
.keyboard li.key8.active,
.keyboard li.key8:hover { background-position: -431px -335px; }

.keyboard li.key9 { background-position: -493px 0; }
.keyboard li.key9.active,
.keyboard li.key9:hover { background-position: -493px -335px; }

.keyboard li.key10 { background-position: -555px 0; }
.keyboard li.key10.active,
.keyboard li.key10:hover { background-position: -555px -335px; }

.keyboard li .dot {
  height: 16px;
  width: 16px;
  background-color: #0083a2;
  border-radius: 50%;
  display: inline-block;
  margin-top: 24px;
  margin-left: -138px;
}

.keyboard li.key8 .dot,
.keyboard li.key9 .dot,
.keyboard li.key10 .dot {
  margin-left: -78px;
  margin-top: 24px;
}

.trio-brace {
  background: url(../img/zagrada.png) 0 0 no-repeat;
  background-color: transparent;
  width: 186px;
  height: 33px;
  background-size: contain;
}

.trio-text {
  padding-left: 14px;
}


.trio {
  width: 355px;
  text-align: left;
}

.trio1 {
  margin-left: 63px;
}
.trio2 {
  margin-left: 257px;
  width: 290px;
}
.trio3 {
  text-align: right;
  float: right;
  margin-right: 1px;
  width: 385px;
}

.trio3 .trio-brace {
  float: right;
}

.trio h3 {
  margin: 7px 0;
  color: #0083a2;
}

.trio p { 
  margin-bottom: 0;
}

.trio-text p {
  font-size: 17.2px;
  line-height: 1;
}

.hidden {
  display: none;
}

li.active .hidden {
  display: block;
}

.keyboard li p {
  z-index: 2;
  position: absolute;
  width: 238px;
  margin-left: -44px;
  padding: 16px;
  border-radius: 8px;
  margin-top: 171px;
  background-color: #0083a2;
  color: #fff;
  padding-top: 44px;
  line-height: 1;
}

.keyboard li span {
  color: #c0dd4f;
  font-size: 26.61px;
  position: absolute;
  margin-top: 175px;
  margin-left: -30px;
  z-index: 3;
}

.keyboard li.key1 p {
  width: max-content;
  padding-top: 16px;
  text-transform: uppercase;
  margin-left: 0px;
  margin-top: 215px;
}

.keyboard li.key1 .dot {
  margin-left: -229px;
}

.keyboard li.key8 p,
.keyboard li.key9 p,
.keyboard li.key10 p {
  margin-top: 123px;
}

.keyboard li.key8 p,
.keyboard li.key9 p,
.keyboard li.key10 p {
  margin-left: -45px;
  width: 203px;
}

.keyboard li.key8 span,
.keyboard li.key9 span,
.keyboard li.key10 span {
  margin-left: -30px;
  margin-top: 129px;
}

@media (min-width: 1px) {
  .container, .container-lg, .container-md, .container-sm {
    max-width: 1140px;
  }
}