.header_periods {
  clear:both;
  margin: 0 auto;
  margin-bottom: 30px;
  overflow: hidden;
  padding-top: 10px;
  width: 100%;
}

.header_logotip {
  clear: left;
  float: left;
}
.header_logotip img {
  height: 100px;
  margin-bottom: 0px;
  margin-right: 0px;
  margin-top: 0px;
  overflow: hidden;
}

.header_text_1, .header_text_2, .header_text_3 {
  clear: right;
  float: right;
  margin-right: 20px;
  font-weight: bold;
  text-align: right;
}
.header_text_1 {
  font-size: 20px;
}
.header_text_2 {
  color: #2c383e;
  font-size: 16px;
}
.header_text_3 {
  color: #2c383e;
  font-size: 16px;
}

/* Part central */
.pagina {
  background-repeat: no-repeat;
  border: 0px solid #748fa6;
  border-radius: 0px 0px 6px 6px;
  clear: both;
  margin: 0 auto;
  padding-bottom: 36px;
  padding-top: 0px;
  padding-left: 10px;
  padding-right: 10px;
  width: 800px;
}
.periodes_oberts {
  clear: both;
  border: 1px solid #919ca6;/* #dadddd #aaaaaa #748fa6 #365668 */
  border-radius: 6px;
  float: left;
  margin-bottom: 20px;
  padding: 6px;
  width: 786px;
}
.periodes_oberts .titol {
  border-radius: 4px;
  padding: 6px;
  background-color: #dcecfc;
  padding-left: 10px;
}

.periodes_oberts .titol h3 {
  font-size: 1.1rem;
  text-align: center;
}

.periodes_oberts .periodes {
  clear:both;
  padding-top:10px;
}

.periodes_oberts .periodes .periode {
  padding-bottom:10px;
  padding-left:10px;
  text-align: center;
}

.periodes_oberts .periodes .periode.registration_done a.accio {
  display: inline;
  float: none;
  margin-left: 10px;
}
.periodes_oberts .periodes .periode.registration_done a.accio > img {
  vertical-align: middle;
}

h4.explicacio {
  padding: 6px;
  margin-bottom: 10px;
  text-align: center;
}

.footer_periods {
  clear:both;
  margin: 0 auto;
  padding-top:10px;
  width:100%;
}
.footer_text_1, .footer_text_2, .footer_text_3 {
  color:#333333;
  padding-bottom:20px;
  text-align:center;
}