Netbyzz

#A010
Mailbox Animation

HTML :

<!-- CODE = #A010 -->
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>NETBYZZ A010</title>
  <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="letter-image">
        <div class="animated-mail">
          <div class="back-fold"></div>
          <div class="letter">
            <div class="letter-border"></div>
            <div class="letter-title"></div>
            <div class="letter-context"></div>
            <div class="companyname"><img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiXeCuyCrXqUp_lKKOQ23p0Gf-6lqEykPMotKnJmhARRZ8YNAAjt-RI-Vb9XXhyXdrTQYjxMcGL9m3nHKpxSyF287emuYWYUxGBc9LJkMgzsjBUZ3x4O0o_W7NtbiZReTFcqU8iIx_AGf-FweRHztB5-e0eXDiHTXUcvS35VcIsnlwMAsFNHk_r_DUjUKo/s1000/Netbyzz3.png" alt="Netbyzz Logo" class="Netbyzz"></div>
            <div class="letter-stamp">
              <div class="letter-stamp-inner"></div>
            </div>
          </div>
          <div class="top-fold"></div>
          <div class="body"></div>
          <div class="left-fold"></div>
        </div>
        <div class="shadow"></div>
      </div>
</body>
</html>

CSS :

.Netbyzz {
    margin-left: 0px;
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    width: 50%;
    /* Adjust the size of the logo */
}

body {
    background: #323641;
}

.companyname {
    color: #e15349;
    text-align: center;
    margin-top: -8px;
    font-weight: bold;
}

.letter-image {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    cursor: pointer;
}

.animated-mail {
    position: absolute;
    height: 150px;
    width: 200px;
    -webkit-transition: .4s;
    -moz-transition: .4s;
    transition: .4s;

    .body {
        position: absolute;
        bottom: 0;
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 0 0 100px 200px;
        border-color: transparent transparent #e95f55 transparent;
        z-index: 2;
    }

    .top-fold {
        position: absolute;
        top: 50px;
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 50px 100px 0 100px;
        -webkit-transform-origin: 50% 0%;
        -webkit-transition: transform .4s .4s, z-index .2s .4s;
        -moz-transform-origin: 50% 0%;
        -moz-transition: transform .4s .4s, z-index .2s .4s;
        transform-origin: 50% 0%;
        transition: transform .4s .4s, z-index .2s .4s;
        border-color: #cf4a43 transparent transparent transparent;
        z-index: 2;
    }

    .back-fold {
        position: absolute;
        bottom: 0;
        width: 200px;
        height: 100px;
        background: #cf4a43;
        z-index: 0;
    }

    .left-fold {
        position: absolute;
        bottom: 0;
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 50px 0 50px 100px;
        border-color: transparent transparent transparent #e15349;
        z-index: 2;
    }

    .letter {
        left: 20px;
        bottom: 0px;
        position: absolute;
        width: 160px;
        height: 60px;
        background: white;
        z-index: 1;
        overflow: hidden;
        -webkit-transition: .4s .2s;
        -moz-transition: .4s .2s;
        transition: .4s .2s;

        .letter-border {
            height: 10px;
            width: 100%;
            background: repeating-linear-gradient(-45deg,
                    #cb5a5e,
                    #cb5a5e 8px,
                    transparent 8px,
                    transparent 18px);
        }

        .letter-title {
            margin-top: 10px;
            margin-left: 5px;
            height: 10px;
            width: 40%;
            background: #cb5a5e;
        }

        .letter-context {
            margin-top: 10px;
            margin-left: 5px;
            height: 10px;
            width: 20%;
            background: #cb5a5e;
        }

        .letter-stamp {
            margin-top: 30px;
            margin-left: 120px;
            border-radius: 100%;
            height: 30px;
            width: 30px;
            background: #cb5a5e;
            opacity: 0.3;
        }
    }
}

.shadow {
    position: absolute;
    top: 200px;
    left: 50%;
    width: 400px;
    height: 30px;
    transition: .4s;
    transform: translateX(-50%);
    -webkit-transition: .4s;
    -webkit-transform: translateX(-50%);
    -moz-transition: .4s;
    -moz-transform: translateX(-50%);

    border-radius: 100%;
    background: radial-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.0), rgba(0, 0, 0, 0.0));
}

.letter-image:hover {
    .animated-mail {
        transform: translateY(50px);
        -webkit-transform: translateY(50px);
        -moz-transform: translateY(50px);
    }

    .animated-mail .top-fold {
        transition: transform .4s, z-index .2s;
        transform: rotateX(180deg);
        -webkit-transition: transform .4s, z-index .2s;
        -webkit-transform: rotateX(180deg);
        -moz-transition: transform .4s, z-index .2s;
        -moz-transform: rotateX(180deg);
        z-index: 0;
    }

    .animated-mail .letter {
        height: 180px;
    }

    .shadow {
        width: 250px;
    }
}

Source Code