.topnav {
  overflow: auto;
  background-color: #509834;
}

.top-element{
    height: 63px;
    background: #83B66F;
    border: 0;
    width: 82px;
    font: caption;
    font-weight: bold;
    color: #FFF;
}

body {
  background-color: #EAF2E4;
}

.log_out_btn {
    background-color: #83B66F !important;
    float: right !important;
    margin-right: 5px;
    border: 0 !important;
    width: 82px;
    font: caption;
    font-weight: bold;
    height: 63px;
    color: #FFF !important;
}

.happy_btn {
  background-color: #EAF2E4;  
  font-weight: bold;
}

.logo {
  float: left;
  margin-left: 28px;
  font-size: 2em;
  height: 64px;
  letter-spacing: 1px;
  text-transform: uppercase;
} @media(max-width: 768px) {
    .logo {
    }
  }
  
.login_box {
  /*border-left: 1px solid #dddfe2;*/
  background: rgba(255,255,255,0.5);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 25px;
  margin: 2em;
}

.vertical-center {
  margin: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%
}
  
@media (max-width: 520px) {
    .login_box {
        border-top: 1px solid #dddfe2;
    }

@media (max-height: 660px) {
  .vertical-center {
  margin: 0;
  position: absolute;
  top: 0%;
  transform: translateY(0%);
  width: 100%
}
  }