#cont{
    width: 100%;
    /* border: 1px solid; */
    display: flex;
    /* justify-content: space-between; */
    margin-top: 10%;
    padding-left: 3%;
}

#log{
    /* border: 1px solid; */
    width: 20%;
    /* margin-top: 10%; */
    padding: 3%;
    /* margin-left: 3%; */
}

#log>input{
    width: 100%;
    margin-bottom: 10%;
    border: 0px;
    border-bottom: 1px solid;
}
::placeholder{
    font-size: 80%;
}
#log>input:focus{
    outline: none;
}
#log>a{
    color: grey;
    font-size: 65%;
}

#log>input:last-child{
    margin-top: 10%;
    width: 100%;
    color: white;
    background-color: black;
    border: 0px;
    padding: 3%;
}

#reg{
    /* border: 1px solid; */
    width: 25%;
    padding: 3%;
    margin-left: 10%;
}
#reg>p{
    color: grey;
    font-size: 70%;
    
}
#reg>button{
    margin-top: 10%;
    width: 70%;
    background-color: black;
    border: 0px;
    padding: 3%;
}
#reg a{
    color: black;
    font-weight: bold;
}
#reg>button>a{
    color: white;
    text-decoration: none;
}

@media screen and (min-width: 0px) and (max-width:399px){
    #cont{
        width: 100%;
        /* border: 1px solid; */
        display: block;
        /* justify-content: space-between; */
        margin-top: 10%;
        padding-left: 3%;
    }
    #cont>div{
        width: 90%;
        margin: auto;
    }
    #log{
        /* border: 1px solid; */
        width: 90%;
        /* margin-top: 10%; */
        padding: 3%;
        /* margin-left: 3%; */
    }

    #bottomsec{
        margin-top: 50%;
    }
}

@media screen and (min-width: 400px) and (max-width:700px){
    #cont{
        width: 100%;
        /* border: 1px solid; */
        /* display: block; */
        justify-content: space-evenly;
        margin-top: 10%;
        padding-left: 3%;
    }
    #bottomsec{
        margin-top: 30%;
    }
    #reg{
        /* border: 1px solid; */
        width: 45%;
        padding: 3%;
        /* margin-left: 10%; */
    }
    #log{
        width: 45%;
    }
}