style.css

body{
    background: #CCFFF1;
    font-size: 19px;
}

@media screen and (min-width: 801px) {
    #ib {
        margin-left: 4.3%;
        margin-top: 38%;
        width: 80%;
    }
    h1{
        text-align: center;
    }
    #chatbox {
        position: absolute;
        left: 5%;
        top: 15%;
        background: white;
        width: 86%;
        height: 45%;
        border: 2px solid black;
        border-radius: 10px;
        overflow: auto;
        padding: 1% 2% 1% 2%;
    }

    .loader {
        position: absolute;
        top: 40%;
        left: 50%;
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background: #2df429;
        box-shadow: -24px 0 #2df429, 24px 0 #2df429;
        box-sizing: border-box;
        animation: shadowPulse 2s linear infinite;
        display: none;
    }

    #userInput {
        position: absolute;
        height: 30px;
        width: 80%;
        font-size: 19px;
        border-radius: 10px;
        padding: 1% 2% 1% 1%;
        border: 2px solid black;
        margin-top: 10%;
    }

    #send{
        position: absolute;
        background: rgb(68, 241, 140);
        border-radius: 10px;
        padding: 1% 2% 1% 2%;
        margin-top: 17%;
        border: 2px solid black;
    }


}

@media screen and (min-width: 1061px) {
    #ib {
        margin-left: 4.3%;
        margin-top: 38%;
        width: 80%;
    }
    h1{
        text-align: center;
    }
    #chatbox {
        position: absolute;
        left: 5%;
        top: 15%;
        background: white;
        width: 86%;
        height: 50%;
        border: 2px solid black;
        border-radius: 10px;
        overflow: auto;
        padding: 1% 2% 1% 2%;
    }

    .loader {
        position: absolute;
        top: 40%;
        left: 50%;
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background: #2df429;
        box-shadow: -24px 0 #2df429, 24px 0 #2df429;
        box-sizing: border-box;
        animation: shadowPulse 2s linear infinite;
        display: none;
    }

    #userInput {
        position: absolute;
        height: 30px;
        width: 80%;
        font-size: 19px;
        border-radius: 10px;
        padding: 1% 2% 1% 1%;
        border: 2px solid black;
        margin-top: 0%;
    }

    #send{
        position: absolute;
        background: rgb(68, 241, 140);
        border-radius: 10px;
        padding: 1% 2% 1% 2%;
        margin-top: 5%;
        border: 2px solid black;
    }


}
@media screen and (max-width: 800px) {
    #ib {
        margin-left: 4%;
        margin-top: 120%;
        width: 80%;
    }
    h1{
        text-align: center;
        font-size: 20px;
    }
    #chatbox {
        position: absolute;
        left: 5%;
        top: 100px;
        background: white;
        width: 86%;
        height: 300px;
        border: 2px solid black;
        border-radius: 10px;
        overflow: auto;
        padding: 1% 2% 1% 2%;
    }

    .loader {
        position: absolute;
        top: 296px;
        left: 50%;
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background: #2df429;
        box-shadow: -24px 0 #2df429, 24px 0 #2df429;
        box-sizing: border-box;
        animation: shadowPulse 2s linear infinite;
        display: none;
    }

    #userInput {
        position: absolute;
        height: 30px;
        width: 86%;
        font-size: 19px;
        border-radius: 10px;
        padding: 1% 2% 1% 2%;
        border: 2px solid black;
        top: 74%;
    }

    #send{
        position: absolute;
        background: rgb(68, 241, 140);
        border-radius: 10px;
        padding: 1% 2% 1% 2%;
        border: 2px solid black;
        top: 81%;
    }


}


@keyframes shadowPulse {
    33% {
        background: #2df429;
        box-shadow: -24px 0 #0299bb, 24px 0 #2df429;
    }
    66% {
        background: #0299bb;
        box-shadow: -24px 0 #2df429, 24px 0 #2df429;
    }
    100% {
        background: #2df429;
        box-shadow: -24px 0 #2df429, 24px 0 #0299bb;
    }
}

p{
    margin-top: 5%;
}

#p1{
    background:rgb(68, 241, 140, 0.7);
    padding: 2% 2% 2% 2%;
    border-radius: 10px;
}

#p2{
    background:rgb(68, 206, 241, 0.7);
    padding: 2% 2% 2% 2%;
    border-radius: 10px;
}