.container{
    margin: 0;
    padding: 0;
    background-image: linear-gradient(135deg, lightcoral, lightblue);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}
.img{
    text-align: center;
    filter: brightness(100%);
}
.topic{
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    text-align: center;
    color: #f2f6f8;
    position: relative;
    left:25px;
    font-size:20px;
    top: 30px;
}

.topic:hover{
   color: red;
}

.boy{
    text-align: center;
    margin-top: 10px;
    color: black;
}

.boy input{
    padding: 5px;
    outline: none;
    text-align: center;
    font-weight:bold;
}
.girl{
    text-align: center;
    margin-top: -10px;
    color: black;
    font-weight: bold;
}

.girl input{
    padding: 5px;
    outline: none;
    text-align: center;
    font-weight:bold;
}

.btn{
    text-align: center;
    margin-top: 10px;
    padding: 10px 20px;
    cursor: pointer;
    width: 100px;
    margin: auto;
}

.btn button{
    background-color: rgb(235, 33, 64);
    color: azure;
}

input:focus{
    border: 3px solid rgb(219, 14, 14);
}

#result{
    text-align: center;
    width: 100px;
    height: 20px;
    color:black;                              
    font-size: 24px;
    font-weight: bold;
    margin: auto;
    margin-top: 20px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;    
}