style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html{
    width: 100%;
    height: fit-content;
    height: -moz-fit-content;
    height: -webkit-fit-content;
    background: linear-gradient(#ff4646, #3a4afd);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;

}
body{
    width: 50%;
    height: fit-content;
    height: -moz-fit-content;
    height: -webkit-fit-content;
    display: flex;
    flex-direction: column;
    margin: auto;
}

.in{
    width: 100%;
    height: 20%;
    display: flex;

}

.in > input{
    transition: 0.5s;
    background-color: rgba(0, 0, 0, 0.5);
    outline: none;
    border-radius: 5px;
    width: 49%;
    font-size:3vw;
    border: 1px solid black; 
    margin: auto;
    height: 29%;
    padding-bottom: 1vw;
}
.in > input:focus{
    transform: scale(1.1);
}
.bat{
    width: 100%;
    display: flex;
    height: 11%;
}

.bat > button{
    transition: 0.5s;
    cursor: pointer;
    width: 100%;
    height: 100%;
    font-size: 4vw;
    border: 1px solid black; 
    background-color: rgba(0, 0, 0, 0.5);
    outline: none;
    border-radius: 5px;

}


.bat > button:hover{
    transform: scale(1.1);
}

.bat > button:focus{
    transform: scale(1.1);
}

.ua{
    height: fit-content;
    height: -moz-fit-content;
    height: -webkit-fit-content;
    width: 100%;
    display: flex;
    justify-content: center;
    padding-top: 20px;
}


.ua > ul{
    list-style: none;
    font-size: 3vw;

}