body{
    background-color: rgb(3, 34, 51);
    margin: 0px;
    padding: 0;
}
.row{
    display: flex;
}
#button_0{
    width: 22vh;
    height: 10vh;
    font-size: 40px;
    margin: 1vh;
    color: white;
    background-color: rgb(50, 76, 92);
}
#button{
    height: 10vh;
    width: 10vh;
    font-size: 40px;
    margin: 1vh;
    color: white;
    background-color: rgb(50, 76, 92);
    border: none;
}
#button:hover,#button_0:hover{
    background-color: rgb(34, 92, 128);
}
.container{
    margin-top: 13vh;
}
.buttons{
    width: 48vh;
    margin: auto;
}
.input{
    width: 48vh;
    margin: auto;
}
#input_box{
    width: 94%;
    margin: 1vh;
    height: 10vh;
    font-size: 50px;
    background-color: white;
}
.nav{
    height: 8vh;
    background-color: rgba(0, 0, 0, 0.342);
}
.nav img{
    width: 50vh;
}
.whatsapp{
    position: fixed;
    top: 90vh;
    width: 100%;
}
.whatsapp img{
    padding-right: 4vh;
    float: right;
    width: 7vh;
}
.history{

    width: 40vh;
    height: 55vh;
    background-color: rgb(255, 255, 255);
    border-radius: 15px;
    margin: 15px;
}
#history_data{
    height: 51vh;
    overflow: scroll;
}
.history h1{
    color: rgb(92, 92, 92);
    margin: 1vh;
    margin-left: 30px;
    white-space: pre-wrap;
}
.container{
    display: flex;
    justify-content: center;
}
::-webkit-scrollbar {
    width: 5px;
  }
.clear{
    float: right;
    margin-right: 20px;
}
#btn{
    border-radius: 8px;
    border: none;
    font-size: 2vh;
    box-shadow: 1px 4px 4px grey;
    cursor: pointer;
}
@media screen and (max-width: 800px) {
    .container{
        display: block;
        justify-content: center;
    }
    .history{
        margin: auto;
        margin-top: 100px;
    }
}