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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
sclass HHamburgerMenu {
  S css() {
    ret [[
      .hamburger-menu {
        cursor: pointer;
        position: absolute;
        right: 10px;
        top: 10px;
      }
      
      .hamburger-menu .bar1, .hamburger-menu .bar2, .hamburger-menu .bar3 {
        width: 35px;
        height: 5px;
        background-color: #333;
        margin: 6px 0;
        transition: 0.4s;
      }
      
      .hamburger-menu-open .bar1 {
        -webkit-transform: rotate(-45deg) translate(-9px, 6px);
        transform: rotate(-45deg) translate(-9px, 6px);
      }
      
      .hamburger-menu-open .bar2 {opacity: 0;}
      
      .hamburger-menu-open .bar3 {
        -webkit-transform: rotate(45deg) translate(-8px, -8px);
        transform: rotate(45deg) translate(-8px, -8px);
      }
    ]];
  }
  
  S html() {
    ret hcss(css())
      + div(
        emptydiv(class := "bar1")
        + emptydiv(class := "bar2")
        + emptydiv(class := "bar3"),
        class := "hamburger-menu",
        onclick := [[this.classList.toggle("hamburger-menu-open");]]);
  }
}