body {
  padding: 20px;
}

h1 {
  border-bottom: 1px solid gray;
  margin-top: 0;
}

/* View: Phone list */
.phones {
  list-style: none;
}

.phones li {
  clear: both;
  height: 216px;
  padding-top: 15px;
  width: 95%;
  left: 15%;
}

.thumb {
  float: left;
  height: 185px;
  margin: -0.5em 1em 1.5em 0;
  padding-bottom: 1em;
  width: 120px;
}

/* View: Phone detail */
.phone {
  background-color: white;
  display: none;
  float: left;
  height: 400px;
  margin-bottom: 2em;
  margin-right: 3em;
  padding: 2em;
  width: 400px;
}

.phone:first-child {
  display: block;
}

.phone-images {
  background-color: white;
  float: left;
  height: 450px;
  overflow: hidden;
  position: relative;
  width: 450px;
}

.phone-thumbs {
  list-style: none;
  margin: 0;
}

.phone-thumbs img {
  height: 91px;
  padding: 1em;
  width: 70px;
}

.phone-thumbs li {
  background-color: white;
  border: 1px solid black;
  cursor: pointer;
  display: inline-block;
  margin: 1em;
}

.specs {
  clear: both;
  list-style: none;
  margin: 0;
  padding: 0;
}

.specs dt {
  font-weight: bold;
}

.specs > li {
  display: inline-block;
  vertical-align: top;
  width: 200px;
}

.specs > li > span {
  font-size: 1.2em;
  font-weight: bold;
}
.textbox
  {
  border: 1px solid #DBE1EB;
  font-size: 18px;
  font-family: Arial, Verdana;
  padding-left: 7px;
  padding-right: 7px;
  padding-top: 10px;
  padding-bottom: 10px;
  border-radius: 4px;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;
  -o-border-radius: 4px;
  background: #FFFFFF;
  background: linear-gradient(left, #FFFFFF, #F7F9FA);
  background: -moz-linear-gradient(left, #FFFFFF, #F7F9FA);
  background: -webkit-linear-gradient(left, #FFFFFF, #F7F9FA);
  background: -o-linear-gradient(left, #FFFFFF, #F7F9FA);
  color: #2E3133;
  }
   
.textbox:focus
  {
  color: #2E3133;
  border-color: #FBFFAD;
}

.botonBlanco {
    background-color: #e9ebee;
    border-color: #e9ebee;
}
.botonBlancoConBorde {
    background-color: white;
    border-color: cyan;
}
.imagen10 {
    width: 10px;
    height: 10px;
}
.centrado {
  position: absolute;
  top: 50%; 
  left: 50%;
  transform: translate(-50%, -50%);
}
.cabecera {
    width: 100%;
    position: fixed !important;
    background-color: coral;
    z-index: 10 !important;
    top: 0px;
    left: 0px;
    height: 60px;
}