Popsu-coloque/web/themes/custom/popsu_colloque/css/components/header/header.scss

header{
  max-height: 100px;
  .row{
    background: white;
    max-height: inherit;
    justify-content: space-between;
    #block-popsu-colloque-branding{
      max-height: inherit;
      & > div{
        max-height: inherit;
        a{
          display: block;
          max-height: inherit;
          img{
            width: 100%;
            max-height: inherit;
            object-fit: contain;
            padding-bottom: 0.5rem;
            padding-top: 0.5rem;
            @media screen and (min-width: 450px) {
              width: auto;
            }
          }
        }
      }
      &.is-active{
        z-index: 10000;
      }
    }
    #block-renderedsitesettingsblock-2{
      width: auto;
      border-left: 1px solid $color1;
      padding: 0;
      display: none;
      @media screen and (min-width: 1200px) {
        display: flex;
      }
      .site_setting_entity{
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 1rem 0 0rem;
        h1{
          max-width: 100%;
          color: $color2;
          padding-right: 1rem;
          text-transform: uppercase;
          text-align: right;
          align-self: stretch;
          margin: auto 0;
          width: 100%;

        }
        .__info_colloque{
          width: 100%;
          align-self: stretch;
          margin: auto 0;
          height: 7vw;
          height: auto;
          &>div{
            &:first-child{
              white-space: nowrap;
              border-bottom: 2px solid $color1;
            }
          }
        }
      }
    }
    #block-mainnavigation{
      // max-width: max-content;
      width: max-content;
      .burger{
        padding-top: 0.25rem;
        z-index: 9999;
      }
      .nav-main{
        display: none;
        @media screen and (min-width: 1200px) {
        display: block;
          ul{
            margin-bottom: 0;
            li{
              margin: 0 0.5rem;
            }
          }
        }
        &.is-active{
          display: block;
          position: fixed;
          width: 100vw;
          height: 100vh;
          left: 0;
          top: 0;
          background: white;
          z-index: 9999;
          @media screen and (min-width: 576px) {
            height: auto;
            ul{
              margin: 130px 0 50px 0;
            }
            li{
              font-size: 1.7rem;
              line-height: 3rem;
              padding: 0 15px;
            }
          }
          ul{
            display: flex;
            justify-content: center;
            flex-direction: column;
            height: 100%;
            align-items: center;
            li{
              font-size: 1.5rem;
              line-height: 3rem;
              padding: 0 15px;
              @media screen and (min-width: 360px) {
                width: 100%;
                &::before{
                  display: inline-block;
                  content: " ";
                  width: 0%;
                  transition: width 1s ease;
                  height: 1px;
                  background: $color1;
                }
                &:hover{
                  &::before{
                    width: 10%;
                    transition: all 1s ease;
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}

#block-mainnavigation{
  border-left: 1px solid $color1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  .burger{
    display: block;
    margin: auto;
    @media screen and (min-width: 1200px) {
      display: none;
    }
    &.is-active{
      z-index: 999;
    }
  }
  .nav-main{
    display: none;
    height: auto;
    @media screen and (min-width: 1200px) {
      display: flex;
    }
  }
}

header.front{
  #block-popsu-colloque-branding{
    width: 21rem;
    position: relative;
    z-index: 9999;
    a{
      max-height: 8rem!important;
    }
    &.is-active{
      overflow: inherit;
      &>div{
        max-height: 115px;
      }
    }
  }
  #block-renderedsitesettingsblock-2{
    display: none;
  }
}