demo.css

#demo {
    padding-top: 3.5rem;
    padding-bottom: 2.5rem;
    text-align: center;
}

#demo .all-users {
    position: relative;
    height: 640px;
}

#demo .user {
    position: absolute;
}

#demo h3 {
    position: absolute;
    top: -60px;
    text-align: left;
    padding: 0 0 5px 7px;
    color: #ffffbb;
    mix-blend-mode: difference;
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

#demo .user .terminal {
    text-align: left;
    position: relative;
    background-color: rgba(0, 0, 0, 0.8);
    border: 1px solid white;
    border-radius: 10px;
    box-sizing: border-box;
    padding: 10px 10px;
    color: white;
    overflow-y: hidden;
}

#demo .user .terminal:before {
    content: "";
    display: block;
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 20px;
    background: #666 url(/img/topbar.svg) no-repeat 8px center;
    border-radius: 10px 10px 0 0;
    z-index: 2;
}

#demo .user .terminal input,
#demo .user .terminal .input,
#demo .user .terminal .display {
    font-family: Menlo, "Lucida Console", Monaco, monospace;
    font-size: 14px;
    letter-spacing: 0.27px;
    line-height: 28px;
    position: absolute;
    left: 10px;
    right: 10px;
}

#demo .user .terminal input,
#demo .user .terminal .input {
    color: white;
    display: block;
    height: 30px;
    bottom: 0;
}

#demo .user .terminal input {
    background-color: transparent;
    display: none;
    left: 25px;
    width: calc(100% - 30px);
}

#demo .user .terminal .display {
    color: white;
    text-align: left;
    bottom: 30px;
    z-index: 1;
    overflow-x: hidden;
    word-wrap: break-word;
}

#demo .user .terminal .display .info {
    color: white;
}

#demo .user .terminal .display .error {
    color: #ff6347;
}

#demo .user .terminal .display .sent span.group {
    color: cyan;
}

#demo .user .terminal .display .received span.group {
    color: yellow;
}

#demo .user .terminal .display span {
    font-family: Menlo, Monaco, "Lucida Console", monospace;
    text-align: left;
    margin: 0 0;
}

#demo .user .terminal .display span.recipient {
    color: cyan;
}

#demo .user .terminal .display span.sender {
    color: yellow;
}

#demo .user .terminal .display span.secret {
    color: rgba(0, 0, 0, 0.4);
    background-color: rgba(0, 0, 0, 0.4);
}

#demo .alice {
    left: -30px;
    top: 102px;
}

#demo .bob {
    left: 425px;
    top: 0px;
}

#demo .tom {
    left: 425px;
    top: 378px;
}

#demo .all-users .terminal {
    width: 410px;
}

#demo .alice .terminal {
    height: 340px;
}

#demo .bob .terminal {
    height: 305px;
}

#demo .tom .terminal {
    height: 280px;
}


/* Demo buttons */
#demo button {
    position: absolute;
    width: 140px;
    height: 40px;
    bottom: 85px;
    font-size: 16px;
    border-radius: 34px;
    color: white;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    background-color: #0053d0;
}

.dark #demo button {
    color: black;
    background-color: #70f0f9;
}

#demo button:disabled {
    filter: brightness(75%);
}

#demo .run-demo {
    left: 20px;
}

#demo .run-faster {
    left: 20px;
    display: none;
}

#demo .try-it {
    left: 180px;
}

@media (max-width: 1240px) {
    #demo .all-users {
        height: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    #demo .alice {
        position: relative !important;
        top: 0;
        left: 0;
    }

    #demo button,
    #demo .bob,
    #demo .tom {
        display: none;
    }
}

@media (max-width: 570px) {
    #demo .alice .terminal {
        width: 400px;
    }
}

@media (max-width: 440px) {
    #demo .alice .terminal {
        width: 330px;
        height: 420px;
    }
}