.App-header {
  position: relative;
  height: 5rem;
}

.main-header {
  background: #fff;
  border-bottom: 1px solid #f1f1f1;
  color: #909090;
  height: 5rem;
  z-index: 250;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  transition: all .2s;
}

.main-header .visible {
  transform: translateZ(0);
}

.container {
  display: flex;
  align-items: center;
  height: 100%;
  position: relative;
  width: 100%;
}

.main-header .container {
  max-width: 960px;
  min-width: 960px;
  margin: auto;
}

.logo {
  margin-right: 2rem;
}

.logo-img {
  border-style: none;
}

.nav-menu ul{
  background-color: white;
  border-bottom: 0 solid white !important;
  /*margin-top: -0.3rem;*/
}

.nav-menu ul li{
  font-size: 1.33rem;
  border-bottom: 0 solid white !important;
  /*top: 12px !important;*/
}

.header-login {
  padding-right: 0;
}

.header-register {
  padding: 0;
}

.nav-menu ul li:hover{
  border-bottom: 0 solid white !important;
  background-color: white !important;
}

.nav-menu button{
  margin-left: 0 !important;
  font-weight: 500;
  font-size: 1.3rem;
}

.contribute {

}

.contribute:after{
  content: "|";
  position: absolute;
  color: hsla(0,0%,59%,.4);
  left: 100%;
  z-index: 1;
}

.login-btn {

}

.login-btn:after {
  content: "\B7";
  margin: 0 .4rem;
}

.portrait {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: inline-block;
  background-position: 50%;
  background-size: cover;
  margin-bottom: -8px;
  /*margin-top: 1.4rem;*/
}
