.tooltip {
                display:block;
                position:absolute;
                border:1px solid #333;
                background-color:#161616;
                border-radius:5px;
                padding:10px;
                color:#fff;
                font-size:12px Arial;
                z-index:9993;
                }

          .back-top {
              width: 750px;
height: 93px;
position: fixed;
bottom: 53px;
right: -45px;
display: none;
opacity: 0.8;
z-index: 9959;
                }

          .botaogota1
                {
                position: relative;
                width: 103px;
                height: 91px;
                background-image: url('../img/botaogota.png');
                float: left;
                background-position: -12px -12px;
                background-size: 600px auto;
                background-repeat: no-repeat;
                }

          .botaogota2
                {
                 position: relative;
                  width: 92px;
                  height: 91px;
                  background-image: url('../img/botaogota.png');
                  float: left;
                  background-position: -118px -12px;
                  background-size: 600px auto;
                  background-repeat: no-repeat;
                }

          .botaogota3
                {
         position: relative;
          width: 97px;
          height: 91px;
          background-image: url('../img/botaogota.png');
          float: left;
          background-position: -205px -12px;
          background-size: 600px auto;
          background-repeat: no-repeat;
                }

          .botaogota4
                {
          position: relative;
          width: 96px;
          height: 91px;
          background-image: url('../img/botaogota.png');
          float: left;
          background-position: -300px -12px;
          background-size: 600px auto;
          background-repeat: no-repeat;
                }

          .botaogota5
                {
            position: relative;
            width: 97px;
            height: 91px;
            background-image: url('../img/botaogota.png');
            float: left;
            background-position: -391px -12px;
            background-size: 600px auto;
            background-repeat: no-repeat;
                }

             .botaogota6
                {
            position: relative;
            width: 92px;
            height: 91px;
            background-image: url('../img/botaogota.png');
            float: left;
            background-position: -482px -12px;
            background-size: 600px auto;
            background-repeat: no-repeat;
                }