html, body {
    min-height: 100%;
    margin: 0;
    padding: 0;
    width: 100%;
}
h1{
    color: #4bc1ef;
    text-shadow: 2px 2px 5px #2a2e31;
}
section{
    position: relative;
    padding: 20px;
}
.btn-primary {
    background-color: darkslateblue;
    border-color: darkslateblue;
}
.btn-primary:hover {
    background-color: rgb(43, 36, 90);
    background-color: rgb(32, 27, 68);
}
.logo{
    width: 50%;
    height: auto;
}
.header-home{
    background-image: url(../images/fondoslide.png);
    background-size: cover;
}
.input-group-addon {
    padding: 0.5rem 0.75rem;
    margin-bottom: 0;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.25;
    color: #495057;
    text-align: center;
    background-color: #e9ecef;
    border: 1pxsolidrgba(0,0,0,.15);
    border-radius: 0.25rem;
}

.input-group-addon a{
    color: #495057;
}