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    img{ -webkit-transition: opacity 0.7s linear; opacity: 0.6; -webkit-transition: all 0.5s ease-out; -moz-transition: all 0.5s ease-out; transition: all 0.5s ease-out;} img:hover{ -webkit-transition: opacity 0.7s linear; opacity: 1; -webkit-transition: all 0.3s ease-out; -moz-transition: all 0.3s ease-out; transition: all 0.3s ease-out;}