*{
    margin: 0;
    padding: 0;
    background: #226266;
}

.center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}


#mobile {
    width: 276px;
    height: 580px;
    background: #f4f6f4;
    border-radius: 30px;
    border: 2px solid rgba(0, 0, 0, .3);
    box-sizing: border-box;
    box-shadow: inset 0 0 8px rgba(0, 0, 0, .3);
}

h5 {
    position: relative;
    background-color: #f4f6f4;
    width: 100px;
    left: 32%;
    text-align: center;
    top: 42px;
    
}

.screen {
    position: relative;
    background: #262626;
    width: 256px;
    height: 455px;
    margin: 50px auto;
    overflow: hidden;
}
.screen:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(255, 255, 255, .1);
    width: 100%;
    height: 100%;
    transform: skewX(-5deg) translateX(-50%);
}
/*
.screen {
    background: url(image/space.JPG);
    background-size: cover;
}
*/

#home  {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: #fff;
    box-shadow: inset 0 0 7px rgba(0, 0n, 0, .1);
    border-radius: 50%;
    border: 2px solid #cecece;
    box-sizing: border-box;
    cursor: pointer;
}

.inner {
    position: absolute;
    top: 32px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: #262626;
    border-radius: 2px;
    box-sizing: border-box;
}

.inner:before {
    content: '';
    position: absolute;
    top: -2px;
    left: -22px;
    background: #262626;
    width: 8px;
    height: 8PX;
    border-radius: 50%;
} 

.inner:after {
    content: '';
    position: absolute;
    top: -16px;
    left: 50%;
    background: #262626;
    width: 6px;
    height: 6PX;
    border-radius: 50%;
    transform: translateX(-50%);
} 

#volume {
    margin: 0;
    padding: 0;
    position: absolute;
    top: 90px;
    left: -2px;
}

#volume li {
    list-style-type: none;
    width: 2px;
    height: 30px;
    background: #ccc;
    margin: 10px 0;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}
#volume:hover {
    cursor: pointer;
}


#silent {
    margin: 0;
    padding: 0;
    position: absolute;
    top: 50px;
    left: -2px;
}
#silent li {
    list-style-type: none;
    width: 2px;
    height: 20px;
    background: #ccc;
    margin: 10px 0;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}
#silent:hover {
    cursor: pointer;
}

#sleep {
    margin: 0;
    padding: 0;
    position: absolute;
    top: 90px;
    right: -2px;
}

#sleep li {
    list-style: none;
    width: 2px;
    height: 30px;
    background: #ccc;
    margin: 10px 0;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}
#sleep:hover {
    cursor: pointer;
}
.btn {
    position: absolute;
    left: 28%;
    top: 650px;
    justify-content: space-evenly;
    display: block;
}

button {
    width: 60px;
    height: 20px;
    border-color: #f4f6f4;
    background-color: #fff;
    color: #101313;

}