.logobar {
  background-color: #ffe000;
  background: radial-gradient(#ffe000,#ffe000);}

.logobar .container {
  position: relative;
}

.navbar-brand {
    float: left;
    background-image: url('https://conf.researchr.org/getImage/ecsa-2021/orig/logobar-v4.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: 50% 50%;
    width: 100%;
    min-height: 250px;
}

@media screen and (max-width: 1000px) {
  .navbar-brand {
    background-image: url('https://conf.researchr.org/getImage/ecsa-2021/orig/logobar-v4.png');
    min-height: 160px;
  }
}

/* radial-gradient(#fcfcfc, #e5e6e8); */ 

@media screen and (max-width: 800px) {
  .navbar-brand {
    background-image: url('https://conf.researchr.org/getImage/ecsa-2021/orig/logobar-v4.png');
    min-height: 130px;
  }
}

@media screen and (max-width: 500px) {
  .navbar-brand {
    background-image: url('https://conf.researchr.org/getImage/ecsa-2021/orig/logobar-v4.png');
    min-height: 100px;
  }
}


.navbar-brand .brand-text{
  display: none;
}

/* hide venue in header */
.logobar .place {
  position: absolute;
  bottom: 0;
  display: inline-block;
  font-size: xx-large;
  display: none;
}


/* hide "co-located with ICSE 2018" in header */
.logobar .place2 {
  position: absolute;
  bottom: 0;
  display: inline-block;
  font-size: xx-large;
  display: none;
}