* {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
body {
    padding: 0;
    margin: 0;
}
#notfound {
    position: relative;
    height: 100vh;
    background-color: gray;
}
#notfound .notfound {
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}
.notfound {
    max-width: 460px;
    width: 100%;
    text-align: center;
    line-height: 1.4;
}
.notfound .notfound-404 {
    position: relative;
    width: 250px;
    height: 250px;
    margin: 0 auto 100px;
}
.notfound .notfound-404 > div:first-child {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: #ffa200;
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
    border: 5px dashed #000;
    border-radius: 5px;
}
.notfound .notfound-404 > div:first-child:before {
    content: "";
    position: absolute;
    left: -5px;
    right: -5px;
    bottom: -5px;
    top: -5px;
    -webkit-box-shadow: 0 0 0 5px rgba(0, 0, 0, 0.1) inset;
    box-shadow: 0 0 0 5px rgba(0, 0, 0, 0.1) inset;
    border-radius: 5px;
}
.notfound .notfound-404 h2 {
    font-family: cabin, sans-serif;
    color: #000;
    font-weight: 700;
    margin: 0;
    font-size: 90px;
    position: absolute;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    left: 50%;
    text-align: center;
    height: 40px;
    line-height: 40px;
}
.notfound h3 {
    font-family: cabin, sans-serif;
    font-size: 33px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 7px;
}
.notfound p {
    font-family: cabin, sans-serif;
    font-size: 16px;
    color: whitesmoke;
    font-weight: 400;
}
.notfound a {
    font-family: cabin, sans-serif;
    display: inline-block;
    padding: 10px 25px;
    background-color: #8f8f8f;
    border: none;
    border-radius: 40px;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    -webkit-transition: 0.2s all;
    transition: 0.2s all;
}
.notfound a:hover {
    background-color: #2c2c2c;
}