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:before
      {
        content: "";
        position: fixed;
        left: 0;
        right: 0;
        z-index: -1;
        
        display: block;

        width: 100%;
        height: 100%;

        background: url('/imgs/background-2.jpg');
        background-size: cover;
        background-position: top center;


        -webkit-filter: blur(5px);
        -moz-filter: blur(5px);
        -o-filter: blur(5px);
        -ms-filter: blur(5px);
        filter: blur(5px);
      }