* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box
}

 :after,
 :before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box
}

html {
    font-size: 10px;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0)
}

body {
    font-size: 14px;
    line-height: 1.42857143;
    color: #333;
    background-color: #fff
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit
}

.header1 {
    background: white;
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    z-index: 100;
}

.header1 h1 {
    padding-right: 30px;
    padding-left: 30px;
    color: black;
    font-size: 2rem;
	font-weight: bold;
    text-transform: uppercase;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

.header1 a {
    color: black;
    text-decoration: none;
}

.content {
    margin: 0 auto;
}

.logo-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.encabezado {
    width: 100%;
    justify-content: space-around;
    align-items: center;
    font-size: 1.6rem;
}

.encabezado ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.encabezado ul li {
    display: inline-block;
}

.logoheader {
    width: 150px;
    display: inline-block;
    margin-top: 1px;
    margin-left: 50px;
    text-decoration: none;
    color: #fff!important;
    font-size: 22px;
    font-weight: 900;
    text-transform: uppercase;
    text-shadow: none;
    letter-spacing: 1px;
}

.certif {
    background: cover;
    object-fit: cover;
}

.encabezado ul li a {
    display: block;
    padding: 1rem 2.5rem;
    transition: all 0.4s linear;
    font-size: 1.3rem;
    border-radius: 25px 25px 25px 25px;
    color: black;
    font-family: Arial, Helvetica, sans-serif;
	font-weight: bold;
    text-transform: uppercase ;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%
}

.encabezado ul li a:hover {
    background: turquoise;
	color: white;
}