*{
    margin: 0;
    padding: 0;
    text-decoration: none;
    font-family: montserrat;
    box-sizing: border-box;
}

body{

    height: 100vh;
    background-image: linear-gradient(120deg,#334257,#334257);

}

.login-form{
    /*max-width: 1280px;*/
    width: 550px;
    background: #f1f1f163;
    box-shadow: 1px 1px 15px black;
    height: 590px;
    padding: 50px 40px;
    border-radius: 30px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}

.login-form h1{
    text-align: center;
    margin-bottom: 50px;
}

.txtb{
    border-bottom: 2px solid #adadad;
    position: relative;
    margin: 30px 0;
}

.txtb input{
    font-size: 15px;
    color: #333333;
    text-transform: uppercase;
    border: none;
    width: 100%;
    outline: none;
    background: none;
    padding: 0 5px;
    height: 40px;
}


.txtb span::before{
    content: attr(data-placeholder);
    position: absolute;
    top: 50%;
    left: 5px;
    color: #ffffff;
    text-transform : uppercase;
    transform: translateY(-50%);
    z-index: -1;
    transition: .5s;
}

.txtb span::after{
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    transition: .5s;
}

.focus + span::before{
    top: -5px;
}

.focus + span::after{

    width: 100%;
}

.logbtn{
    z-index: 1;
    display: block;
    width: 100%;
    height: 50px;
    border: none;
    border-radius: 5px;
    background: linear-gradient(80deg,rgb(30, 105, 192),#182C61);
    background-size: 200%;
    color: #ffffff;
    outline: none;
    cursor: pointer;
    transition: .5s;
}

.logbtn:hover{
    background-position: right;
    
}

.botton-text{
    display: block;
    z-index: -1;
    left: 50%;
    top: 75%;
    font-size: 12px;
    color: #adadad;
}

img{
    max-width: 250px;
}

.logotopo{
    
    text-align: center;
    height: 110px;
    
}
.cadmembro span{
    z-index: -1;
    text-align: center !important; 
    text-decoration: none;
}

.imgmodal{
    text-align: center;
}

.cadmembro{
    margin-top: -70px;
}

.alertatopo {
    text-align: center;
    padding: 30px 0;
    font-size: 20px;
    color: white;
}

@media screen and (max-width : 700px){
    .login-form{
        width: 95%;
        height: auto;
    }

    .logbtn{
        margin-bottom: 10%;
    }
}