*{
    box-sizing:border-box;
}

body{
    margin:0;
    background:#1d1d1d;
    color:white;
    font-family:Arial, Helvetica, sans-serif;
}

.container{
    max-width:760px;
    margin:auto;
    padding:15px;
}

h1{
    text-align:center;
    font-size:34px;
    margin:15px 0 30px;
    letter-spacing:2px;
}

.card{
    background:#2d2d2d;
    border:2px solid #444;
    border-radius:18px;
    padding:22px;
    margin-bottom:22px;
    box-shadow:
        0 5px 15px rgba(0,0,0,.45);
}

.title{
    font-size:30px;
    font-weight:bold;
    margin-bottom:18px;
}

.online,
.offline{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:22px;
    font-weight:bold;
    margin-bottom:20px;
}

.online{
    color:#57d86b;
}

.offline{
    color:#ff6666;
}

.dot{
    width:14px;
    height:14px;
    border-radius:50%;
    background:currentColor;
    display:inline-block;
}

.info{
    font-size:20px;
    line-height:1.7;
    color:#dddddd;
    margin-bottom:30px;
}

.buttons{
    display:flex;
    flex-direction:column;
}

.buttons a{

    display:flex;
    justify-content:center;
    align-items:center;

    width:100%;
    height:120px;

    text-decoration:none;

    font-size:34px;
    font-weight:bold;

    color:#111;

    background:#d8d8d8;

    border:3px solid #111;

    border-radius:16px;

    box-shadow:
        0 6px 0 #111,
        0 10px 18px rgba(0,0,0,.40);

    transition:all .1s ease;

}

.buttons a + a{
    margin-top:35px;
}

.power{
    background:#dddddd;
}

.reset{
    background:#cfcfcf;
}

.buttons a:hover{
    background:#efefef;
}

.buttons a:active{

    transform:translateY(5px);

    box-shadow:
        0 2px 0 #111,
        0 4px 8px rgba(0,0,0,.40);

}

@media (max-width:700px){

    .container{
        padding:10px;
    }

    h1{
        font-size:28px;
    }

    .title{
        font-size:26px;
    }

    .online,
    .offline{
        font-size:20px;
    }

    .info{
        font-size:18px;
    }

    .buttons a{
        height:130px;
        font-size:38px;
    }

    .buttons a + a{
        margin-top:40px;
    }

}