styles.css

body{
    margin: 0px;
    padding: 0px;
    background: #E5E5E5;
}

.container{
    margin: auto;
    width: 960px;
    height: 650px;
    padding: 5px; 
}


.logo{
    width: 100%;
    float: left;
}

.left{
    float: left;
    width: 70%;
    height: 80%;
    border-radius: 24px;
}

.right{
    float: right;
    width: 30%;
    height: auto;
    background: white;
    border-radius: 30px;
}

.left-button{
    float: left;
    width: 70%;
    height: auto;
    border-radius: 24%;
    margin-top: -5%;
}

.logoimg{
    margin-top: 1%;
    margin-left: 5%;
    float: inherit;
}

.title{
    float: inherit;
    margin-left: 20%;
}

.input-text{
    float: left;
    margin-left: 10%;
    margin-top: 10%;
    width: 80%;
    height: 80%;
    color: #0A3871;
    font-size: 20px;
    border: none;
    outline: none;
    background: #E5E5E5;
}

#Img-right{
    margin-left: 2%;
    margin-top: 20%;
    width: 90%;
    height: auto;
}

#texto{
    margin-left: 10%;
    margin-right: 5%;
}

#texto2{
    float: left;
    margin-left: 10%;
    color: #0A3871;
    width: 80%;
    height: 60%;
    border: none;
    outline: none;
    font-size: 15px;
}

#btn-encriptar{
    padding: 24px;
    width: 30%;
    height: 60%;
    border-radius: 24px;
    margin-left: 15%;
    background: #0A3871;
    color: #E5E5E5;
}

#btn-desencriptar{
    padding: 24px;
    width: 30%;
    height: 60%;
    border-radius: 24px;
    margin-left: 10%;
    background:#E5E5E5;
    color: #0A3871;
}

#copiar{
    margin-left: 30%;
    margin-top: 80%;
    padding: 24px;
    width: 40%;
    height: 10%;
    background: #E5E5E5;
    border-radius: 24px;
    display: none;
}

p{
    width: 205px;
    height: 18px;
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-size: 10px;
    line-height: 150%;
    color: #495057;
    opacity: 0.8;
    margin-left: 115px;
}

#exclamacion{
    width: 10px;
    height: 10px;
    margin-left: 100px;
    margin-bottom: -26px;
}