body {
background:url('../img/background.jpg') center center no-repeat;
background-size: cover;
color: #fff;
text-align: center;
font-family: 'Open Sans', sans-serif;
height: 100vh;
}
.logo {
display: block;
margin: 26px auto;
}
.logoheader {
width: 100%;
display: block;
margin-left: auto;
margin-right: auto;
}

p, h1 {
  padding: 0;
  margin: 0;
}

h1 {
  font-weight: bold;
  margin: 0 0 16px 0;
}

.iconos {
  width: 50px;
  margin: 16px 40px;
}

.iconos:hover {
  -webkit-filter: drop-shadow(0px 0px 10px rgba(127, 159, 255, 1));
   filter: drop-shadow(0px 0px 10px rgba(127, 159, 255, 1));
}

.socialtool {
  position:relative;
}
.socialtool[data-tooltip]:before {
  position: absolute;
  left: 37px  ;
  top: -90px;
  background-color: rgba(127,189,255, 0.8);
  color: #ffffff;
  height: 30px;
  line-height: 30px;
  border-radius: 5px;
  padding: 0 15px;
  content: attr(data-tooltip);
  white-space: nowrap;
  display: none;
  font-family: roboto
}
.socialtool[data-tooltip]:after {
  position: absolute;
  left: 52px;
  top: -60px;
  border-top: 7px solid rgba(127,189,255, 1);
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  content: "";
  display: none;
}
.socialtool[data-tooltip]:hover:after, .socialtool[data-tooltip]:hover:before{
  display: block;
}