img{height:auto;width:500px;@media (width<=800px){height:auto;width:100%}}#timerDisplay #seconddiv{color:#333;font-size:48px;font-weight:700;margin-top:20px}#three-section{display:flex;#left-side{ul{background-color:rgba(242,237,240,.879);li{padding-top:13px}}}@media (width>=1000px){#left-side{height:100vh;overflow-y:auto;width:15%}}@media (700px<=width<=1000px){#left-side{height:100vh;overflow-y:auto;width:30%}}@media (width<=700px){#left-side{display:none}}}#left-side{img{border:1px solid red;margin-bottom:5px}}