Delete sytle5.css

sytle5.css

-body{
-font:15px/1.5 Arial , Helvetica , sans-serif;
-padding: 0;
-margin: 0;
-background-color:#f4f4f4;
-}
-/*global*/
-.container{
-width: 80%;
-margin: auto;
-overflow: hidden;
-}
-header ul{
-margin:0;
-  padding:0;
-}
-.button_1
-{
-  height: 38;
-  background: #e8491d;
-  border: 0;
-  padding-left: 20;
-  padding-right: 20;
-  color: #ffffff;
-}
-/*hedder*/
-header{
-background:#35424a;
-color:#ffffff;
-padding-top:30px;
-min-height:70px;
-border-bottom:#e8491d 3px solid;
-}
-header a{
-color:#ffffff;
-text-decoration:none;
-text-transform:uppercase;
-font-size:16px;
-}
-
-header li{
-float:left;
-display:inline;
-padding: 0 20px 0 20px;
-}
-header #branding{
-  float: left;
-}
-header #branding h1{
-  margin: 0;
-}
-header nav {
-  float: right;
-  margin-top: 10px;
-}
-header .highlight, header .current a{
-
-  color: #e8491d;
-  font-weight:bold;
-}
-header a :hover{
-  color: :#cccccc;
-  font-weight: bold;
-}
-/*showcase*/
-#showcase{
-  min-height: 400px;
-  background:url('../img/back.jpeg')  0 -300px;
-  text-align:center;
-  color:#998F8D;
-}
-#showcase h1{
-  margin-top: 100px;
-  font-size: 55px;
-  margin-bottom: 10px;
-}
-#showcase p{
-  font-size:30px;
-}
-/*news letters*/
-#newsletter{
-  padding:15px;
-  color:#ffffff;
-  background:#998F8D;
-}
-#newsletter h1{
-  float: left;
-}
-#newsletter form{
-  float: right;
-  margin-top:  15px;
-}
-#newsletter input [type = "emial"]
-{
-  padding: 4px;
-  height: 25px;
-  width:250;
-}
-/*boxes*/
-#boxes{
-  margin-top: 20;
-}
-#boxes .box{
-  float:left;
-text-align: center;
-  width: 30%;
-  padding: 10px;
-}
-#boxes .box img{
-  width: 90px;
-}
-footer{
-  padding: 20px;
-  margin-top: 20px;
-  color: #ffffff;
-  background-color: #e8491d;
-text-align: center;
-}
-
-html,
-body {
-   width: 100%;
-   height: 100%;
-   margin: 0;
-   padding: 0;
-   font-family: "Trebuchet MS", Helvetica, sans-serif;
-   font-size: 28px;
-}
-body {
-   display: flex;
-   justify-content: center;
-   align-items: center;
-   background-color: #f5f5f5;
-}
-.calculator {
-   width: 350px;
-   height: 400px;
-   border-radius: 10px;
-   box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.5);
-   .header {
-      background-color: #000;
-      height: 120px;
-      border-radius: 10px 10px 0 0;
-
-      .window {
-         height: 15px;
-         display: flex;
-         justify-content: flex-start;
-         padding: 10px;
-         span {
-            width: 10px;
-            height: 10px;
-            border-radius: 50%;
-            margin-right: 5px;
-            cursor: pointer;
-            &.red {
-               background-color: #ff5252;
-            }
-            &.yellow {
-               background-color: #f5a623;
-            }
-            &.green {
-               background-color: #73c21d;
-            }
-         }
-      }
-      .input {
-         color: #4a4a4a;
-         text-align: right;
-         padding: 10px 30px;
-         span {
-            color: #ffffff;
-         }
-      }
-   }
-   .keys {
-      background: linear-gradient(135deg, #3a3a3a, #000000);
-      height: 280px;
-      border-radius: 0 0 10px 10px;
-      font-size: 24px;
-      .row {
-         height: 70px;
-         display: flex;
-         flex-direction: row;
-         .number {
-            width: 75%;
-            display: flex;
-            color: #ffffff;
-            span {
-               width: calc(100%/3);
-               height: 70px;
-               text-align: center;
-               display: flex;
-               justify-content: center;
-               align-items: center;
-               user-select: none;
-               cursor: pointer;
-            }
-         }
-         .symbol {
-            width: 25%;
-            background-color: #ffffff;
-            font-size: 34px;
-            span {
-               width: 100%;
-               height: 70px;
-               text-align: center;
-               display: flex;
-               justify-content: center;
-               align-items: center;
-               user-select: none;
-               cursor: pointer;
-            }
-            &.action {
-               background: linear-gradient(60deg, #ff0300, #ffa100);
-               border-radius: 0 0 10px 0;
-               color: #ffffff;
-               box-shadow: 0 25px 60px -10px rgba(255, 10, 0, 0.5);
-            }
-         }
-      }
-   }
-}
-.dull {
-   font-size: 14px;
-   font-weight: bold;
-   color: #4a4a4a;
-}
-p.credit {
-   font-size: 14px;
-   position: absolute;
-   bottom: 10px;
-   right: 10px;
-   margin: 0;
-   opacity: 0.8;
-}