style.css

*{
    margin: 0;
    padding: 0;
}
@media  only screen and (max-width:480px) {
div .title{
    font-size:50px;
    font-weight:250;
}
.message{
    overflow-x: auto;
}
#about{
    display: none;
}
}
#particles-js {
    position: fixed;
    top: 0px;
    z-index: 2;
    width: 100vw;
    height: 100vh;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 50%;
    background-color: black;
}
.chooseFile{
    height:100vh;
    display: flex;
    flex-direction: column;
    z-index: 2;
}

.container{
    display: flex;
    justify-content: center;
}
.toast{
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
}

#file_input{
    display: none;
    padding: 15px 10px;
    background-color:#27c73f;
    border-radius: 10px;
    align-self: center;
}
button{
    padding: 20px 15px;
    background-color:#27c73f;
    border-radius: 36px;
    align-self: center;
    font-size: 1.6rem;
    color: white;
}
div .title{
    font-size: 70px;
    font-weight: 1000;
    font-style: bold;
    padding-top: 20px;
    margin-bottom: 75px;
    padding-left: 10px;
    padding-right: 10px;
    text-align: center;
    color: #27c73f;
    width:100vw;
    height:fit-content;
    margin-top: 50px;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}
#about{
    padding:75px;
    color:white;
    font-size: 2rem;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}
.date-box{
    background-color: rgb(110, 185, 225);
    color:white;
    border-radius: 20px;  
    padding:10px;
}
.base{
    /* width: 100%; */
    display: flex;
    position: absolute;
    z-index: 2;
    justify-content: center;
}

.message{
width:fit-content;
max-width: 30vw;
background-color: rgb(67, 66, 66);
color: white;
padding: 10px;
}
.content{
display: flex;
}
.timestamp{
font-size: 0.6rem;
align-self: flex-end;
margin-left: 10px;
}
.sender{
margin-bottom: 10px;
}
#messages{
display: none;
flex-direction: column;
border:3px solid #27c73f;
padding:10px;
border-radius: 20px;
width:60vw;
flex-wrap: wrap;
}
.message{
margin-bottom: 10px;
border-radius: 10px;
}