/*
Theme Name: Knoxville IT Pros Enterprise Child
Theme URI: https://knoxvilleitpros.com
Author: Knoxville IT Pros
Author URI: https://knoxvilleitpros.com
Template: knoxville-it-pros-enterprise
Version: 1.0
*/

/* Child theme styles load AFTER parent */
/* 
===============================
   HEADER OPTIMIZATION
================================ */
header {
  border-bottom:1px solid #eaeaea;
  background:#fff;
}

header .container,
.site-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 20px;
}

header nav a {
  font-weight:600;
  margin-left:20px;
  color:#2D2D2D;
}

header nav a:hover {
  color:var(--tn-orange);
}

/* Header CTA */
.header-cta {
  background:var(--tn-orange);
  color:#fff;
  padding:10px 20px;
  border-radius:6px;
  font-weight:700;
  margin-left:20px;
  white-space:nowrap;
}

.header-cta:hover {
  opacity:.9;
}

/* Mobile header */
@media(max-width:768px){
  header nav {
    display:none;
  }
}
<a href="tel:18658559390" class="header-cta">Call Now</a>
.site-branding img.custom-logo {
  max-height: 70px;
  width: auto;
  display: block;
}
.mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #000;
  text-align: center;
  padding: 12px;
  z-index: 999;
}

.mobile-cta a {
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}
.custom-logo {
  display: block !important;
  max-height: 80px;
  width: auto;
}